Total Students21
Student/Teacher10.5:1
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyContra Costa
School DistrictMt. Diablo Unified School District
Principal / AdminDavid Lewis(925) 682-8000
Founded2020
Free/Reduced Lunch57.14% Eligible
Acceptance Rate100%
Student Demographics
White28.6%
Hispanic52.4%
Black9.5%
Two Or More9.5%
Gender Distribution
66.7%
33.3%
Male Female
Students per Grade
Grade 83
Grade 92
Grade 103
Grade 115
Grade 128
Academy Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
Holiday Event
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Glenbrook Academy
Academic Calendar (2026-2027)
July 2026
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August 2026
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September 2026
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October 2026
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November 2026
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December 2026
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January 2027
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February 2027
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March 2027
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April 2027
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May 2027
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Key Dates & Holidays
Independence Day Observed HolidayJul 3
First Student DayAug 6
First Quarter BeginsAug 6
Labor Day HolidaySep 7
End of First Quarter HolidayOct 2
Fall Recess BreakOct 5
Indigenous Peoples Day HolidayOct 12
Second Quarter BeginsOct 13
End of First Trimester HolidayOct 30
Caregiver Conferences BreakNov 2
Veterans Day HolidayNov 11
School Recess BreakNov 23
Thanksgiving Day HolidayNov 26
Board HolidayNov 27
Second Trimester BeginsNov 30
End of First Semester HolidayDec 18
End of Second Quarter HolidayDec 18
Winter Recess BreakDec 21
Christmas HolidayDec 25
New Year's Day HolidayJan 1
Third Quarter BeginsJan 4
Martin Luther King Day HolidayJan 18
Presidents Day HolidayFeb 15
End of Trimester 2 HolidayFeb 26
Third Trimester BeginsMar 1
End of Third Quarter HolidayMar 12
Farmworkers Day HolidayMar 31
Spring Recess BreakApr 5
Board HolidayApr 9
Fourth Quarter BeginsApr 13
Memorial Day HolidayMay 31
Last Student DayJun 2
End of Second Semester HolidayJun 2
End of Fourth Quarter HolidayJun 2
End of Third Trimester HolidayJun 2
Juneteenth Observed HolidayJun 18
Key Dates & Holidays
2026-2027Empowering Futures in Concord
This public institution, serving grades 6-12 within the Mt. Diablo Unified School District, provides a dynamic learning environment. Families often look for schools offering athletics like basketball and soccer, or enriching programs such as STEM and robotics. Students may also have opportunities to explore the arts and track.
Your Guide to Glenbrook Academy
We are committed to fostering academic excellence and personal growth. Prospective families can explore our offerings and plan their engagement by referencing the academic calendar available on this page.
Frequently Asked Questions
What extracurricular activities are available for students?
While specific programs vary each year, students often have access to clubs like robotics and athletics such as soccer. We recommend contacting the administration directly for the current list of activities.
What is the typical class size at this school?
Class sizes are managed to facilitate effective learning and individual attention for students.
How does the school support students transitioning between middle and high school grades?
Our school implements programs designed to ease the transition for students moving from 6th grade through 12th grade, ensuring a smooth academic and social progression.
Are there opportunities for advanced learning?
Yes, advanced learning opportunities are a key focus, with various programs designed to challenge and engage students ready for accelerated coursework.
Community Reviews
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