Total Students330
Student/Teacher15.44:1
Math Prof.24.29%
Reading Prof.67.16%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyMono
School DistrictMammoth Unified School District
Principal / AdminGuillermo Munoz(760) 934-8541
Founded1980
Free/Reduced Lunch38.48% Eligible
Acceptance Rate100%
Student Demographics
White30.6%
Hispanic65.2%
Asian2.1%
Pacific Islander0.3%
Two Or More1.8%
Gender Distribution
43.9%
56.1%
Male Female
Students per Grade
Grade 982
Grade 1085
Grade 1175
Grade 1288
School Calendar 2026-2027
August 2026
Academic Schedule • 2026-2027
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Mammoth 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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Key Dates & Holidays
First Day of SchoolAug 20
Labor Day HolidaySep 7
MMS Early Release DaySep 8
District Early Release DaySep 15
District Early Release DaySep 22
District Early Release DaySep 29
District Early Release DaysOct 6
District Early Release DaysNov 3
Veteran's Day ObservanceNov 11
MES Conference Minimum DaysNov 17
Thanksgiving BreakNov 23
District Early Release DaysDec 1
MHS Finals & Early ReleaseDec 15
District Minimum DayDec 18
Winter RecessDec 22
District Early ReleaseJan 5
MLK Day ObservanceJan 18
President's Day HolidayFeb 15
President's Week RecessFeb 22
Spring Break RecessApr 19
Memorial Day ObservanceMay 31
Last Day of SchoolJun 9
Juneteenth ObservanceJun 18
Key Dates & Holidays
2026-2027Embrace Adventure and Academics in Mammoth Lakes
Nestled in the stunning Sierra Nevada mountains, this institution offers a unique educational experience. Families often seek out schools with diverse athletic offerings like basketball and soccer, alongside engaging clubs such as STEM and robotics. Students may also find avenues to explore their creativity through the arts.
Your Gateway to Educational Resources
This public high school is dedicated to fostering student growth. For detailed information on upcoming events and academic schedules, parents are encouraged to review the academic calendar available on this page.
Frequently Asked Questions
What extracurricular activities are available for students?
While specific programs can vary each year, students often have access to a range of clubs and athletics, such as opportunities in STEM and sports like soccer. We recommend contacting the administration directly for the most current list of activities.
What is the typical class size at Mammoth High School?
The school strives to maintain a supportive learning environment. For specific details on current class sizes, it's best to reach out to the school's administrative office.
Does the school offer college preparatory courses?
Yes, the curriculum is designed to prepare students for higher education. Advanced Placement (AP) courses and other college-bound pathways are typically available.
How can I get involved as a parent?
Parental involvement is highly valued. Opportunities may include volunteering, joining the PTA, or attending school events. Please check the school's website or contact the main office for current involvement opportunities.
Community Reviews
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