PublicGrades 9-12
Mountain House High School
1090 South Central Parkway, Mountain House, CA 95391-1353(209) 836-7460
Total Students2,428
Student/Teacher25.17:1
Math Prof.66.55%
Reading Prof.80.79%
Graduation Rate99%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountySan Joaquin
School DistrictLammersville Joint Unified School District
Principal / AdminAdam Aauerbach(209) 836-7460
Founded2014
Free/Reduced Lunch10.79% Eligible
Acceptance Rate100%
Student Demographics
White13.2%
Hispanic12.3%
Black5.2%
Asian61.9%
Native American0.6%
Pacific Islander0.5%
Two Or More6.2%
Gender Distribution
50.7%
49.2%
Male Female
Students per Grade
Grade 9646
Grade 10598
Grade 11604
Grade 12580
School Calendar 2026-2027
August 2026
Academic Schedule • 2026-2027
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Early Release Day
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Early Release Day
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Mountain House High School
Academic Calendar (2026-2027)
July 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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June 2027
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Key Dates & Holidays
First Day of SchoolAug 6
Early Release DayAug 14
Early Release DayAug 21
Early Release DayAug 28
Labor Day HolidaySep 7
Early Release FridaysSep 4
High School Quarter 1 EndOct 2
High School Parent/Teacher Conferences Early ReleaseOct 19
Trimester 1 EndOct 30
Veterans Day HolidayNov 11
Thanksgiving Break RecessNov 23
High School Quarter 2 / Semester 1 EndDec 18
Winter Break RecessDec 21
Winter Break ContinuedJan 1
Martin Luther King Jr. Day HolidayJan 18
Lincoln's Birthday HolidayFeb 8
Washington's Birthday HolidayFeb 15
Trimester 2 EndFeb 26
High School Quarter 3 EndMar 12
Spring Break BeginsMar 29
Spring Break EndsApr 1
High School Finals Schedule Early ReleaseMay 25
Last Day of School / Trimester 3 EndMay 28
Memorial Day HolidayMay 31
Key Dates & Holidays
2026-2027Community Reviews
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