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Since our founding in 1999, the ��ݮ��ƵAPP���� has fought the culture of censorship on college and university campuses. One prominent aspect of campus censorship culture is Deplatforming — the successful censorship of, or the attempt to censor, campus events open to the public. Deplatforming can include disinviting speakers, canceling performances, taking down art exhibits, or preventing the showing of a film. It can include censorship or attempts at censorship that occurred either before or during an event, but not those that occurred after an event (e.g., a student club’s right to invite speakers is revoked because of something said at the event). 

The Campus Deplatforming Database tracks these deplatforming attempts and provides the following information in regards to each incident:

• The year the deplatforming attempt occurred. 
• The school at which the deplatforming attempt occurred and whether that school is public, secular, religious, or a community college.
• The controversial topic or topics that generated the deplatforming attempt. (Did the expression concern something about the Israeli-Palestinian conflict, race, and/or religion?)
• The source of the deplatforming attempt. (Did the attempt come from an on-campus source such as an administrator, faculty member, or student? Did it come from an off-campus source such as an activist or politician?)
• Whether a petition supporting and/or opposing the invited speaker or form of expression was circulated.
• The political direction, if any, of the deplatforming attempt. (Did the attempt come from the left or from the right of the targeted speaker or event?)
• The outcome of the deplatforming attempt. (Was the scholar investigated, censored, suspended, or terminated? Was the speaker disinvited? Did protesters attempt to disrupt or successfully disrupt the event? Was a play performance canceled? Was a piece of artwork removed from public view?)
• The public response, if any, to the deplatforming attempt from the college or university.

It is important to note that this research is not exhaustive. It would be nearly impossible to compile information on every deplatforming attempt that occurs on hundreds of college and university campuses across the country. However, ��ݮ��ƵAPP���� is confident that this data accurately documents a culture of censorship on college and university campuses. 

Detailed Methodology

What is a deplatforming attempt?

A deplatforming attempt is a form of intolerance motivated by more than just mere disagreement with, or even protest of, some form of expression. It is an attempt to prevent someone from expressing themselves in a public forum on campus. Deplatforming attempts include attempts to disinvite speakers from campus speeches or commencement ceremonies; to cancel performances of concerts, plays, or the screenings of movies; or to have controversial artwork removed from public display. An attempt to disrupt a speech or performance that is in progress is also considered a deplatforming attempt, whether it succeeds or fails. 

Deplatforming attempts do not include criticisms of some form of expression and protests denouncing them that are not motivated by the goal of deplatforming the controversial expression. These are protected forms of speech that should be welcomed on educational campuses.

Outcomes of Deplatforming Attempts

There are 10 different possible outcomes of a deplatforming attempt. Three of these outcomes indicate that the deplatforming attempt was not successful. The other seven indicate the deplatforming attempt was successful.

Unsuccessful deplatforming attempts

Unsuccessful deplatforming attempts recorded in the Campus Deplatforming database include: Cancellation Attempts, Disinvitation Attempts, and Attempted Disruptions. 

A Cancellation Attempt occurs when a deplatforming attempt targeting a musical or play performance or a movie screening fails, and the event proceeds as planned. For example, cancellation attempts recorded in the Campus Deplatforming database include attempts by activist religious organizations to pressure colleges and universities to forbid performances of The Vagina Monologues on campus, claiming "the play's emphasis on genital anatomy and sexual activity, including lesbian encounters and masturbation, degrades women and fails to appreciate their true dignity and vocation." 

A Disinvitation Attempt occurs when a deplatforming attempt targeting a speaker invited to speak on campus fails in getting that speaker’s invitation rescinded. Examples of disinvitation attempts recorded in the Campus Deplatforming database include demands by activist religious organizations and their supporters to rescind invitations to on-campus speakers because of their views on abortion or gay rights, attempts by on- and/or off-campus sources to prevent sitting U.S. presidents (e.g., George W. Bush, Barack Obama) from delivering commencement addresses, and many occasions where administrators refused the demands of students and student organizations to rescind the invitation of a politically controversial speaker — like conservative media personality Ben Shapiro or leftwing activist Angela Davis — to an on-campus event. 

An Attempted Disruption occurs when a deplatforming attempt interrupts an event in progress but fails to stop it. Examples of attempted disruptions include attempts to shout the speaker down, throwing pieces of fruit or pie at a speaker, attempting to storm the stage, or temporarily blocking the audience’s view of the speaker. All of these actions can temporarily disrupt a speech, but if they do not significantly impair the speaker’s ability to complete their remarks they are coded as an attempted disruption. Attempted disruptions also include incidents when people who are not attending the speech attempt to prevent others from doing so, make loud noises right outside the event space, or even pull fire alarms to drown out the speaker’s remarks. 

Successful deplatforming attempts

Successful deplatforming attempts recorded in the Campus Deplatforming database include: Canceled, Postponed, Withdrew, Rejected, Removed, Revoked, or Substantial Event Disruption.

Two of these seven are used to describe successful deplatforming attempts that target a musician or play performance, a movie screening, or artwork. 

The term Canceled describes a successful deplatforming attempt that prevents a musical or play performance or a movie screening from occurring. For example, the president of West Texas A&M University canceled a student group's charity drag show in 2023 because of his personal religious beliefs, calling drag shows “derisive, divisive and demoralizing misogyny.” 

The term Removed describes a successful deplatforming attempt where artwork is pulled from public display. For example, in 2011 at Gainesville State College, a faculty member contributed a painting to the Faculty Biennial Exhibition depicting torch-wielding Ku Klux Klan members and a lynching superimposed onto an image of the Confederate flag. Following public criticism of the painting, the university president removed it without notifying the faculty member or the art gallery director.

The remaining five kinds of successful deplatforming attempts are used to describe successful deplatforming attempts that targeted a speaker invited to campus.

The term Postponed describes a successful deplatforming attempt where an event is postponed, possibly indefinitely. For example, in 2019 at the University of Connecticut School of Law, student organizers claimed that the university president forced the law school dean to postpone pro-Palestinian activist Linda Sarsour's speech when a second speaker, who was to counterbalance Sarsour's views, was not available. Sarsour’s talk was rescheduled without a second speaker.

The term Withdrew describes deplatforming attempts that succeed in getting a speaker to voluntarily not attend an event. In 2009, for example, Ben Stein withdrew from delivering a commencement speech at the University of Vermont after the university received complaints from "persons both internal and external to the university" about Stein's opposition to the theory of evolution. 

The term Rejected describes deplatforming attempts that succeed because the university fails to approve a request to invite a speaker. Examples of rejected speakers include administrators at the Catholic University of America telling organizers of a film and music festival that it would not host a panel for the event on-campus if Stanley Tucci was one of the panelists because of Tucci’s pro-choice views.

The term Revoked describes a deplatforming attempt that results in the revocation of a speaker’s invitation to speak on campus. For example, the president of Creighton University rescinded its invitation of Anne Lamott to deliver a commencement speech in 2007 because of Lamott's support for assisted suicide.

The term Substantial Event Disruption describes the outcome of a deplatforming attempt that results in the student government and/or administrators making it exceedingly difficult for event organizers to hold the event (e.g., by moving the event to a smaller location that is difficult to find). For example, in 2023 at Washington and Lee University, multiple student organizations, including the College Democrats and the College Republicans, encountered bureaucratic roadblocks that hindered their ability to secure a venue for a panel discussion featuring multiple speakers. The event ultimately proceeded, but took place in a smaller venue than was originally planned.

Substantial Event Disruption also describes incidents when a heckler’s veto occurs — meaning one or more people substantially disrupt or entirely prevent a speaker from finishing their remarks. For example, during the 2002 commencement ceremony at the Sacramento campus of California State University, hecklers booed Janis Besler Heaphy into silence after her remarks during a commencement speech about the September 11th attacks, preventing Heaphy from finishing her speech.

Reinvitations

For all successful deplatforming attempts we also record if the speaker was Reinvited to campus at a later date. For instance, a University of Mississippi professor canceled a campus speech by Elisha Kraus in 2019 by claiming that the event space booked was not open to partisan or ideological student organizations. The university provost reversed this decision, and the event was held. 

Another example occurred at the University of Wyoming in 2010, when administrators revoked a speaking invitation to William Ayers due to his radical and militant past with the Weather Underground. Ayers sued the university, won, and subsequently appeared on campus. 

The outcome of both of these incidents is coded as Revoked, but each entry also notes that Krauss and Ayers were reinvited and successfully spoke on campus.

Characteristics of deplatforming attempts

Sources of deplatforming attempts

Deplatforming attempts can be initiated by on-campus sources, off-campus sources, or a combination of both. On-campus sources include administrators, faculty, stakeholders, parents of current students, student groups, and students (graduate and undergraduate). Off-campus sources include activists or activist groups, alumni, corporations, members of the general public, politicians, and public figures (e.g., religious leaders). Attempts can also be made by anonymous or unknown sources. The sources of a deplatforming attempt can overlap, meaning that a deplatforming attempt can have more than one source. Table 2 provides more specific descriptions of each source.

An on-campus deplatforming attempt may involve students and student organizations protesting a speaker’s upcoming appearance or even formally petitioning the school administration to disinvite a speaker from campus. In 2023, for instance, students at the University of Minnesota petitioned the administration to disinvite Palestinian activist Mohammed El-Kurd from campus over alleged anti-Semitism. It could also involve students and faculty calling for a speaker’s disinvitation, like they did in 2003 at St. Joseph’s University when they petitioned the school administration to rescind a commencement invitation to Rick Santorum because of his negative comments about homosexuality.

An off-campus deplatforming attempt may involve activist organizations, politicians, or local religious leaders pressuring a school administration to disinvite a speaker from campus or cancel an on-campus performance. For instance, an official from the New York Chinese government consulate asked Smith College in 2007 to cancel a talk by the Dalai Lama. They can also involve an activist organization petitioning the school’s administration to disinvite “inappropriate speakers”  because they are pro-choice or support gay rights, for example. And they can even involve members of the general public or local community petitioning the college or university to disinvite speakers they dislike from coming to campus. 

A deplatforming attempt can also come from both on- and off-campus sources. Sometimes these efforts may be coordinated — such as a combination of students, faculty, or trustees with some combination of activists, politicians, public figures, or members of the general public. For instance, in 2021, activists, alumni, members of the general public, university stakeholders, and students all pressured the University of Notre Dame to disinvite President Joe Biden from commencement because they considered his views on abortion, gay rights, biological sex, and religious liberty divergent from the teachings of the Catholic Church.

Other times, on- and off-campus sources may not coordinate their efforts. For example, in 2007 then-President George W. Bush was invited to give a commencement speech at Saint Vincent College. Faculty members petitioned the university to rescind its invitation to Bush, claiming the Iraq War runs afoul of Catholic teachings and because Bush’s policies “protect the privileges of rich and powerful Americans.” Independent of this petition, a former president of the college authored an op-ed titled, "Mr. President, this place is not your place," opposing Bush's invitation. Bush spoke successfully.

Type of school

Four different kinds of colleges and universities can be found in the Campus Deplatforming database. Table 3 lists how each type of school is coded and provides a definition and an example for each type of school.

Public, private, and religious schools may or may not have graduate programs.

Form of expression

Deplatforming attempts on campus are a year-round phenomenon, targeting different forms of expression. Table 4 lists the forms of expression that are recorded in the Campus Deplatforming Database, defines each form, and offers specific examples for each form of expression.

Topic(s) of controversy

Deplatforming attempts usually occur because the controversial expression involves something political. For instance, many speakers identified as “inappropriate” by the Cardinal Newman Society are labeled this way because they are pro-choice. The topic of controversy for this kind of deplatforming attempt would be Abortion. Other times, a speaker faces a deplatforming attempt for a litany of controversial views or statements. For instance, opposition to a Milo Yiannopoulos appearance on campus often emphasizes his “far-right, racist, misogynistic, Islamophobic, transphobic views.” The topics of controversy for this kind of disinvitation attempt would be coded as Gender, Political Views, Race, and Religion. 

Table 5 lists all the controversial topics coded in the Campus Deplatforming database and what kinds of expression that topic includes (e.g., Environment includes views on climate change and environmental policy).

Petitions

Some deplatforming attempts are accompanied by one or more formal petitions with multiple signatories. A petition can be delivered directly to the college or university president or created online at a website like change.org. Deplatforming attempts also spur petitions that advocate for a speaker’s right to express themselves and, like their counterparts calling for a college or university to rescind a speaker’s invitation to campus, these petitions are either delivered directly to the college or university president or created online at a website. The Campus Deplatforming database records both kinds of petitions, labeling them either Petition Against the Expression or Petition for the Expression.

To warrant inclusion in the database, a petition opposing or supporting a speaker must meet at least one of the following criteria:

1. The letter, petition, email, facebook page, (or other communication) addressed to the university or college administration or other body with authority over the educational institution must have 10 or more signatories/participants opposing the event or speaker.
2. The letter, petition, or email (or other communication) addressed to the university or college administration or other body with authority over the educational institution by faculty must have three or more signatories.
3. The letter, petition, or email (or other communication) addressed to the university or college administration or other body with authority over the educational institution must be signed by one or more student clubs or organizations.
4. The letter, petition, or email (or other communication) addressed to the university or college administration or other body with authority over the educational institution must be signed by one or more lawmakers.

In some instances, individuals or groups distribute flyers or put up posters urging students to email the administration to demand the disinvitation of an invited speaker. For instance, in 2021, the University of Virginia chapter of Young America's Foundation faced opposition to its “In Defense of Mr. Jefferson” event featuring Representative Chip Roy and National Review editor Rich Lowry. YAF’s promotional materials for the event were either destroyed or vandalized. Flyers encouraging a letter-writing campaign opposing the event were also put up on campus and a QR code allowed students to quickly bring up a pre-made email template that asked the dean of students to “protect our community at large” from Congressman Chip Roy. While it may be impossible to know how many students emailed the dean of students, we think it is safe to assume that at least 10 did, so such incidents are coded as petitions opposing the speaker.

Politically motivated deplatforming attempts

Those who initiate deplatforming attempts often do so because they have a political disagreement with an invited speaker or oppose a scheduled event because of the political issues it addresses. Since we lack the ability to directly survey the sources of the controversial expression on their political views, we judge the political motivations associated with a deplatforming attempt based on what can be reasonably inferred about the source or sources of the deplatforming attempt. Thus, a more useful way to classify the political motivations underlying deplatforming attempts is to classify them based on the beliefs of those who initiate them (ie., “from the left” or “from the right” of the controversial expression) rather than by assessing the political motivations of the source of the contested expression.

This means that a deplatforming attempt may target a speaker for their perceived “conservative” viewpoints, even if the speaker themselves would not identify as “conservative.” For example, students at University of California, Hastings College of the Law urged the administration to disinvite former United States Secretary of Homeland Security Janet Napolitano, a Democrat, because of her support for policies that led to the increased deportation of undocumented immigrants. Therefore, even though Napolitano is a Democrat and likely would not identify as a “conservative,” ��ݮ��ƵAPP���� classifies her disinvitation attempt as coming “from the left of the speaker.”

The same is also true for speakers targeted by a deplatforming attempt for perceived “liberal” viewpoints: A disinvitation can come “from the right” even if the speaker would not identify as “liberal.” For example, in 2019 at UCLA, an event featuring Donald Trump Jr. and Kimberly Guilfoyle was disrupted by supporters of Trump Jr.’s father after they learned that the Q&A portion of the event had been canceled. The event was forced to end early.

Public response

The Campus Deplatforming database identifies 10 kinds of public responses the college or university may issue in response to a deplatforming attempt. 

The term Appeased protesters describes when a college or university’s response to a deplatforming attempt indicates that those protesting or trying to disrupt an event were correct to call for censorship or for disrupting an event. In 2007, for example, the University of Saint Thomas disinvited Tutu, arguing his criticism of Israel might offend the Jewish community. Tutu was eventually reinvited but chose to speak somewhere else. Following the disinvitation, the university president said: "He has been critical of Israel and Israeli policy regarding the Palestinians, so we talked with people in the Jewish community and they said they believed it would be hurtful to the Jewish community, because of things he's said.”

The term Condemned content of expression describes when a college or university responds to a deplatforming attempt by issuing a statement critical of the controversial expression. In 2022, for example, when commenting on a Matt Walsh campus appearance, the dean of students at the University of Wisconsin-Madison campus said, “we believe [Walsh’s views] are harmful to the trans community.”

The term Condemned speaker (or artist or performer) as a person (but not their views) describes when a college or university responds to a deplatforming attempt by directly criticizing the speaker, artist, or performer. In 2023, for example, Pensacola Christian College canceled a performance by The King’s Singers because one member of the group is gay. In a statement posted on X, then known as Twitter, the college said that it “cannot knowingly give an implied or direct endorsement of anything that violates the Holy Scripture.” 

The term Encouraged (or approved of) self-censorship is used to describe when a college or university responds to a deplatforming attempt by encouraging or approving of censoring the controversial expression. In 2015, for example, after Project:Theatre, a student group, canceled the annual performance of The Vagina Monologues at Mount Holyoke college because the play excludes the experiences of transgender women, a college spokesperson said: 

The student-group decision to cancel the play was made independently of the College's transgender admission policy. As a women's college with a long tradition of educating women leaders, Mount Holyoke College supports and encourages students to take the lead in establishing and governing their own organizations. The College encourages students to seek peer input through open discussion and to consider and respect all viewpoints in their decision-making process.

The term Mistaken on the law describes when a college or university issues a response to a deplatforming attempt that is legally incorrect. In 2013, for example, after students protested Jennifer Gratz’s invitation to speak on campus because of her opposition to affirmative action, the university informed Young Americans for Liberty, the group who sponsored the talk, that the university would not pay Gratz’s $1,000 speaker’s fee because it deemed the speech political — despite having paid the speaker’s fees for other political speakers in the past.

The term Neutral describes when a college or university issues a response to a deplatforming attempt that does not support or criticize the controversial expression. In 2006, for example, administrators at the Pennsylvania State University informed a student that the exhibit of a student’s “visual thesis” was canceled because it “did not promote cultural diversity” or “opportunities for democratic dialogue.” The president of the university reversed the decision and in an email interview stated, “Penn State does not and will not censor artwork. I wanted to make this perfectly clear to everyone. Crossing that line would compromise so many of the fundamental values of academe.” The exhibit took place as planned.

The term None describes when a college or university declines to issue a public response to a deplatforming attempt.

The term Supported content of expression or views describes when a college or university issues a response to a deplatforming attempt that indicates its agreement with the controversial expression. In 2013, for instance, an online petition started by TFP Student Action, which garnered more than 10,000 signatures, called on Seattle University to cancel a talk by Angela Davis. The director of the center on campus who invited Davis told reporters: “The visit is intended to raise historical awareness of economic, racial, and gender justice issues, and discuss ideas related to Angela Davis’ work over the past 40 years. . . . Dr. Davis will not be disinvited.”

The term Supported speaker (or artist or performer) as a person (but not their views) describes when a college or university responds to a deplatforming attempt by complimenting or defending the person or artist responsible for the controversial expression. In 2021, for instance, a coalition of 11 student groups petitioned the Caruso Law School at Pepperdine University to withdraw a speaking invitation to Eugene Volokh because of Volokh’s use of racial slurs when teaching about the First Amendment. The law school did not disinvite Volokh and the university issued a statement that said: 

Professor Volokh is one of the nation’s leading First Amendment experts. Indeed, just last month he launched a new faculty-edited Journal of Free Speech Law with a board of editors of leading academics with diverse perspectives. We believe having him share his views on the free speech issues facing our country is consistent with the purpose of the Dean’s Speaker Series.

The term Unknown describes when ��ݮ��ƵAPP���� cannot determine if the college or university issued a public response to a deplatforming attempt.

Colleges and universities may issue multiple responses — sometimes conflicting responses — to a deplatforming attempt. When this occurs, the Campus Deplatforming database records and lists each kind of public response. In 2021, for example, students at Wellesley College petitioned the college to cancel a speech by Kristan Hawkins about abortion because of her allegedly “racist” and “homophobic” views. Hawkins spoke successfully, but the college president’s email to campus condemned the content of Hawkins’ talk, appeased the protestors, and encouraged (or approved of) self-censorship: 

Wellesley's policies strongly prohibit discrimination and harassment based on sex, gender identity or expression, and sexual orientation, among other legally protected bases, and Wellesley requires that all student-invited speakers be advised in advance of Wellesley's commitment to nondiscrimination and diversity on our campus. . . [But we also] respect the right of [the student group] to choose her [Hawkins] as its speaker.