Alarm incidents
at Heritage High School
Liberty Union High School District, Contra Costa County
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
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
1/20/23 at 6:38:39 AM
Audible Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
ALARM AUDIBLE Reported to Brentwood Police Department
1/21/23 at 10:04:55 AM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
1/22/23 at 9:14:26 AM
Audible Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
ALARM AUDIBLE Reported to Brentwood Police Department
1/25/23 at 6:27:30 AM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
1/26/23 at 6:26:56 AM
Audible Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
ALARM AUDIBLE Reported to Brentwood Police Department
1/28/23 at 3:02:15 PM
Audible Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
ALARM AUDIBLE Reported to Brentwood Police Department
1/28/23 at 3:45:48 PM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
1/31/23 at 12:09:30 AM
Audible Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
ALARM AUDIBLE Reported to Brentwood Police Department
2/2/23 at 6:28:11 AM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
2/3/23 at 3:29:23 AM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
2/4/23 at 6:20:34 AM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
2/4/23 at 7:40:28 AM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
2/5/23 at 12:24:22 AM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
2/8/23 at 5:22:01 AM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
2/8/23 at 6:44:46 AM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
2/9/23 at 6:16:26 AM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
2/10/23 at 6:46:15 AM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
2/11/23 at 12:11:54 PM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
2/15/23 at 7:20:00 PM
Audible Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
ALARM AUDIBLE Reported to Brentwood Police Department
2/17/23 at 7:25:09 AM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
2/20/23 at 10:48:00 AM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
2/21/23 at 12:05:11 AM
Audible Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
ALARM AUDIBLE Reported to Brentwood Police Department
3/4/23 at 5:35:40 PM
Silent Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
SILENT ALARM Reported to Brentwood Police Department
3/5/23 at 8:37:06 AM
Audible Alarm — Heritage High School
Liberty Union High School District, Contra Costa County
ALARM AUDIBLE Reported to Brentwood Police Department
3/10/23 at 6:16:07 AM