PublicGrades 9-12
Monrovia High School
845 West Colorado Boulevard, Monrovia, CA 91016-2517(626) 471-2800
Total Students1,455
Student/Teacher24.85:1
Math Prof.30.72%
Reading Prof.69.09%
Graduation Rate96.9%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyLos Angeles
School DistrictMonrovia Unified School District
Principal / AdminMatthew Rainwater(626) 471-2800
Founded1980
Free/Reduced Lunch63.71% Eligible
Acceptance Rate100%
Student Demographics
White14.2%
Hispanic66.7%
Black4.9%
Asian8.8%
Pacific Islander0.1%
Two Or More5.3%
Gender Distribution
53%
46.9%
Male Female
Students per Grade
Grade 9350
Grade 10358
Grade 11362
Grade 12385
School Calendar 2026-2027
August 2026
Academic Schedule • 2026-2027
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Monrovia High School
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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June 2027
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Key Dates & Holidays
First Day of SchoolAug 12
Labor Day HolidaySep 7
Thanksgiving RecessNov 23
Early Release DayDec 16
First Semester Ends (Middle & High Schools)Dec 17
Winter RecessDec 21
Martin Luther King Jr. Day HolidayJan 18
Lincoln's Day HolidayFeb 8
Washington's Day HolidayFeb 15
Spring Recess StartMar 29
Spring Recess EndApr 1
Memorial Day HolidayMay 31
Early Release TK-12Jun 1
Last Day of School / Semester EndsJun 2
Key Dates & Holidays
2026-2027Community Reviews
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