Calling the Cops

An EdSource investigation into policing in California schools

Alarm incidents

at Heritage High School

Liberty Union High School District, Contra Costa County

incident icon
80

Incidents reported
police icon
1

Police Departments
(Brentwood Police Department)
enrollment icon
2559

Enrollment
2022-23

Police call logs are from a sampling of schools representing California for the period Jan. 1 to June 30, 2023. The database does not include all schools or districts.

School information

School demographics
Percentage of students eligible for free and reduced price meals (FRPM)
School suspension rate and state average (%)

Data source: California Department of Education; Year 2022-23

Incident Breakdown by Subcategory of Alarm

Incident Logs

displaying 26 - 50 records in total 80

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

3/15/23 at 6:19:53 AM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

3/19/23 at 1:33:20 AM

Non-Violent

Audible Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

ALARM AUDIBLE   Reported to Brentwood Police Department

3/19/23 at 6:48:53 AM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

3/28/23 at 11:17:43 AM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

4/2/23 at 7:29:30 PM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

4/5/23 at 6:05:18 AM

Non-Violent

Audible Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

ALARM AUDIBLE   Reported to Brentwood Police Department

4/7/23 at 6:13:14 AM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

4/7/23 at 9:34:22 PM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

4/10/23 at 7:16:09 AM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

4/13/23 at 4:00:27 AM

Non-Violent

Audible Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

ALARM AUDIBLE   Reported to Brentwood Police Department

4/13/23 at 7:07:45 AM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

4/14/23 at 7:27:16 AM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

4/21/23 at 5:31:50 AM

Non-Violent

Audible Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

ALARM AUDIBLE   Reported to Brentwood Police Department

4/22/23 at 9:09:01 AM

Non-Violent

Audible Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

ALARM AUDIBLE   Reported to Brentwood Police Department

4/22/23 at 12:41:24 PM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

4/22/23 at 3:38:50 PM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

4/23/23 at 6:28:57 PM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

4/25/23 at 6:29:17 AM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

4/27/23 at 6:29:54 AM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

4/28/23 at 6:24:20 AM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

4/28/23 at 7:06:33 AM

Non-Violent

Audible Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

ALARM AUDIBLE   Reported to Brentwood Police Department

4/29/23 at 7:23:27 AM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

5/1/23 at 5:28:59 AM

Non-Violent

Silent Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

SILENT ALARM   Reported to Brentwood Police Department

5/3/23 at 6:20:31 AM

Non-Violent

Audible Alarm — Heritage High School

Liberty Union High School District, Contra Costa County

ALARM AUDIBLE   Reported to Brentwood Police Department

5/5/23 at 6:25:01 AM