NCIER®

Exclusionary Discipline

79 claims on pp. 6–136 (fact 51, statement 7, evidence 8, conclusion 4, conjecture 6, definition 3).

Claims about Exclusionary Discipline

Evidence [V] p006-03

BTAM helps manage safety risks and reduce reliance on suspensions or expulsions

By appropriately assessing risk of harm and providing tailored interventions, BTAM helps schools manage safety risks while supporting student well-being and reducing reliance on suspensions or expulsions, which research shows can have lasting negative effects and may not effectively reduce the risk of school violence.

p. 6 · NCIER Claim Map
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Fact [V] p007-11

Over 75 percent rarely or never use exclusionary discipline; 80 percent rarely or never arrest or pr

Sample (N = 1379) · Teams answering exclusionary discipline and arrest/prosecution questions (Figure 9.2)

Over 75 percent said they rarely or never use exclusionary discipline, and 80 percent rarely or never arrest or prosecute students referred to BTAM teams.

p. 7 · NCIER Claim Map
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Evidence [V] p020-04

Research: exclusionary discipline can have lasting negative effects and may not reduce risk

Although it may seem that removing the student from school is the safest option, research has shown that exclusionary discipline, such as a suspension or an expulsion, can have lasting negative effects on students and may not effectively reduce risk.

p. 20 · NCIER Claim Map
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Fact [V] p064-05

91 percent have the option to permanently remove students, yet 30 percent of schools never use it

Sample (N = 1384) · Teams answering intervention/safety plan components question

As an example, while 91 percent of principals indicate that their BTAM team has the option to permanently remove students from school via expulsion or relocation, 30 percent of schools report never using this option.

p. 64 · NCIER Claim Map
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Evidence [V] p066-02

BTAM is framed as an alternative to exclusionary discipline, which risks long-term harms

BTAM in K–12 schools is framed as an alternative to exclusionary school discipline, which has been recognized as risking long-term harms to students and causing other damage to a school’s community (Huang and Cornell, 2021; Cornell et al., 2018; Center on Positive Behavioral Interventions & Supports, 2023).

p. 66 · NCIER Claim Map
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Statement [V] p066-03

Survey provides insight into schools' use of suspension, expulsion, and law enforcement referral

Our survey provides insight into whether and how schools with BTAM programs in place report that they use exclusionary practices such as suspension, expulsion, and referral to law enforcement as part of their threat management processes.

p. 66 · NCIER Claim Map
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Conjecture [V] p066-04

Responses suggest teams rarely use exclusionary discipline, especially at elementary level, but do s

Although principals’ survey responses suggest that BTAM teams rarely use exclusionary discipline measures—especially at the elementary level—they show that teams do still use these options (see Figure 9.1).

p. 66 · NCIER Claim Map
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Fact [V] p066-05

Thirty percent of principals said their BTAM teams never use exclusionary discipline

Sample (N = 1379) · Teams answering exclusionary discipline and arrest/prosecution questions (Figure 9.2)

Thirty percent of principals reported their BTAM teams never use exclusionary discipline (i.e., they never expel students, place them in different schools, or suspend them for a month or more).

p. 66 · NCIER Claim Map
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Fact [V] p066-06

Exclusionary discipline use: rarely 46 percent, sometimes 21 percent, frequently 3 percent, always 1

Sample (N = 1379) · Teams answering exclusionary discipline and arrest/prosecution questions (Figure 9.2)

Meanwhile, 46 percent of principals said their BTAM teams rarely use exclusionary discipline; 21 percent reported doing so sometimes; 3 percent reported frequently turning to exclusionary discipline; and 1 percent said they always employ such measures.

p. 66 · NCIER Claim Map
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Conclusion [V] p066-10

Authors lack data on caseload size or case nature behind frequent exclusionary or arrest use

Although it is concerning that a handful of schools reported engaging in such practices frequently or every time a case is referred to the BTAM team, we do not have information about the size of teams’ caseloads or about the nature of specific cases.

p. 66 · NCIER Claim Map
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Conclusion [V] p066-11

BTAM teams do not commonly rely on exclusionary practices to intervene with students

Overall, our data demonstrate that BTAM teams do not commonly rely on exclusionary practices as the means of intervening with students who display behaviors that elicit concerns for the safety of themselves and others.

p. 66 · NCIER Claim Map
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Fact [V] p066-12

Elementary schools were particularly likely to say they never use exclusionary discipline

Our data also show that elementary schools—whose BTAM teams likely deal with relatively less serious student behavior compared with secondary schools—were particularly likely to say they never use exclusionary discipline for students referred to a BTAM team.

p. 66 · NCIER Claim Map
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Fact [V] p066-14

Some elementary schools said their teams have expelled or referred students to law enforcement with

However, although these practices are less common in elementary schools compared with middle and high schools, some elementary schools said that their BTAM teams have expelled or referred students to law enforcement with some regularity.

p. 66 · NCIER Claim Map
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Statement [V] p067-09

Figure 9.2 note: survey questions on expulsion, school change, long suspension, and arrest or prosec

NOTE: This figure depicts response data from the following survey questions: “When your BTAM team assesses students, how frequently are students expelled, placed in a different school, or suspended for one month or more for their threatening or concerning behavior?” and “When your BTAM team assesses students, how frequently are students arrested or prosecuted for their threatening or concerning behavior?” (n = 1,379).

p. 67 · NCIER Claim Map
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Conjecture [V] p083-12

Schools appear focused on supportive rather than restrictive interventions as most frequent steps

Third, schools appear to be focused on more supportive interventions, as opposed to restrictive measures, including exclusionary discipline, at least as the most frequently chosen steps in responding to incidents.

p. 83 · NCIER Claim Map
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Fact [V] p083-13

Principals choosing disciplinary measures opted for supportive discipline, not suspension/expulsion

When principals did select the use of disciplinary measures in response to behavior included in a scenario, they opted for supportive discipline measures, such as in-school detentions and removing privileges—versus outright exclusionary discipline, such as out-of-school suspension or expulsion.

p. 83 · NCIER Claim Map
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Fact [V] p083-14

Law enforcement referral and permanent removal not among top interventions, even in severe scenarios

Even for the most serious scenarios, referral to law enforcement and permanent removal from school did not make principals’ lists of top interventions (although principals did frequently select temporary removal from school for a few scenarios).

p. 83 · NCIER Claim Map
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Conclusion [V] p083-15

Finding does not indicate schools avoid exclusionary discipline; some use it frequently

This finding does not indicate that schools are avoiding exclusionary discipline practices altogether; indeed, our results indicate that schools are still turning to such practices, some frequently (see more on this point below).

p. 83 · NCIER Claim Map
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Conjecture [V] p083-16

Exclusionary discipline and law enforcement referral are not schools' most common responses

However, the patterns in Figure 11.3 suggest that exclusionary discipline and referral to law enforcement are not the most common way that schools address the behaviors and situations depicted across our scenarios.

p. 83 · NCIER Claim Map
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Statement [V] p089-01

Reasons exist to limit exclusionary discipline unless removal is necessary for near-term safety,...

the desire to keep students in school means that there are appropriate reasons to limit the use of exclusionary discipline, unless removing a student from school is necessary to ensure the near-term safety, functioning, or well-being of the school community.

p. 89 · NCIER Claim Map
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Fact [V] p089-02

Suspensions, longer separations and expulsions are all used; shorter suspensions are more frequent

Temporary school suspensions, longer-term separations from school, and even expulsions are all tools available to and used by schools, although shorter suspensions are more frequently used compared with these other longer-term exclusionary actions.

p. 89 · NCIER Claim Map
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Evidence [V] p089-03

BTAM possibly increasing exclusionary discipline or criminal justice approaches has concerned...

the possibility that BTAM could increase the use of either exclusionary discipline or criminal justice approaches in responding to student behavior has been a concern for civil society groups and a focus of policy debate around BTAM as a school safety practice.

p. 89 · NCIER Claim Map
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Statement [V] p089-04

BTAM is not synonymous with discipline; misuse concerns are often about implementation fidelity

However, BTAM is not synonymous with discipline, and concerns about misuse are often more about implementation fidelity than about BTAM as a violence prevention approach more generally.

p. 89 · NCIER Claim Map
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Fact [V] p089-07

Likelihood of considering exclusionary discipline tended to increase with severity, with exceptions

Principals’ likelihood of indicating they would consider exclusionary discipline tended to increase along with incident severity level, though there were exceptions.

p. 89 · NCIER Claim Map
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Fact [V] p089-09

Most severe scenarios: around 70 percent would suspend; one in five to one in six permanent removal

Sample (N = 1419) · Scenario observations, high severity: actions taken or recommended (p082, p087, p090, p092)

For the most severe scenarios, around 70 percent of schools said they would likely suspend the involved student, and between one in five and one in six said they would permanently remove the student from school.

p. 89 · NCIER Claim Map
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Evidence [V] p089-12

Previous studies: many schools use short-term suspensions while BTAM team completes assessment...

this is somewhat in line with findings from previous studies of behavioral threat management in schools, which suggest that many schools implement short-term suspensions as an immediate response to some student behavior to give their BTAM team time to complete a behavioral threat assessment and decide on appropriate longer-term interventions, including support-focused interventions (Jackson et al., 2025).

p. 89 · NCIER Claim Map
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Evidence [V] p089-15

Other studies: 12 percent of K–12 principals nationally believe suspensions and expulsions let...

Sample (no n: a percentage change, not a share of a sample) · a percentage that is not a share of a sample (e.g. a percentage-point change or a weighted estimate of the population)

Although other studies show that most K–12 principals do not believe that exclusionary discipline measures teach students valuable lessons and help avoid future behavior incidents, 12 percent nationally still do believe that suspensions and expulsions give students the opportunity to learn from their behavior (Perera and Diliberti, 2023).

p. 89 · NCIER Claim Map
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Fact [V] p089-17

BTAM policy debate focuses on whether the approach increases removal, arrest and prosecution of...

Policy debate around BTAM generally focuses on whether the approach increases the likelihood of students being removed from school or arrested and prosecuted, because the debate is framed around potential threats posed by students, because law enforcement can be involved in assessing and framing responses to student behavior, or for other reasons.

p. 89 · NCIER Claim Map
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Evidence [V] p091-21

Footnote on temporary suspension: many schools use temporary suspension as immediate response...

many schools employ temporary suspension as an immediate response to an incident to ensure the safety of the individual student and broader school community, while a BTAM team conducts its threat assessment and determines the best path forward (Jackson et al., 2025).

p. 91 · NCIER Claim Map
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Evidence [V] p098-01

Concern that BTAM may affect exclusionary discipline use and fairness (Cornell et al., 2025)

As noted above, one concern around the use of BTAM at schools across the country is the potential for its impact on schools’ use of exclusionary discipline practices overall and whether exclusionary discipline is used fairly across the student population (for a review, see Cornell et al., 2025).

p. 98 · NCIER Claim Map
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Statement [V] p098-03

Principals estimated BTAM impact on exclusionary discipline and on disparities across student groups

We asked principals to estimate the impact of their BTAM program on the level of exclusionary discipline (suspensions and expulsions) at their school and on rates at which such practices might affect different student groups.

p. 98 · NCIER Claim Map
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Fact [V] p109-09

Over 75 percent rarely or never use exclusionary discipline; 80 percent rarely or never arrest

Sample (N = 1379) · Teams answering exclusionary discipline and arrest/prosecution questions (Figure 9.2)

Over 75 percent said they rarely or never use exclusionary discipline, and 80 percent rarely or never arrest or prosecute students referred to BTAM teams.

p. 109 · NCIER Claim Map
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Fact [V] p132-06

A.40 Permanent removal from school (expulsion or relocation): 9.5 / 29.7 / 38.4 / 19.2 / 3.2

Sample (N = 1384) · Principals at schools with a school- or district-level BTAM team answering Table A.40 (intervention/safety plan components)

Permanent removal from school (expulsion or relocation) | 9.5 | 29.7 | 38.4 | 19.2 | 3.2

p. 132 · NCIER Claim Map
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