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Can tackling discrimination in schools curb student aggression?

NCT ID NCT04087772

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested two versions of a school program called Mental Health Enhanced Positive Behavioral Interventions and Supports (PBIS-MH) to see if it could reduce aggression in middle school students. About 4,840 students and their teachers from multiple schools took part. The program added mental health support and addressed racial/ethnic discrimination to improve school climate and reduce violent behavior.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Mental Health Enhanced Positive Behavioral Interventions and Supports (PBIS-MH)
What this could lead to
If successful, this could point toward better school-based strategies to reduce aggression and address racial discrimination in middle schools.
What could go wrong
This is a completed study, so results are available. However, the intervention is behavioral and may not work in all school settings or with all student populations.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

4,840 people

The number who actually took part.

Started

Sep 2019

Finished

Dec 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

10 to 105 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * for student participants: in 6th and 7th grades in a study school at study entry * for teacher participants: teacher at a study school Exclusion Criteria: * .for student participants: intellectual disabilities, very limited reading abilities, or in foster care

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Name and state withheld to protect anonyminty of study site

    Charleston, South Carolina, 29407, United States