PublicGrades 9-12
Menlo-Atherton High School
555 Middlefield Road, Atherton, CA 94025-3438(650) 322-5311
Total Students2,158
Student/Teacher17.94:1
Math Prof.50.87%
Reading Prof.69.32%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountySan Mateo
School DistrictSequoia Union High School District
Principal / AdminKarl Losekoot(650) 322-5311
Founded1980
Free/Reduced Lunch32.99% Eligible
Acceptance Rate100%
Student Demographics
White34.6%
Hispanic42.5%
Black3.2%
Asian8.3%
Native American1.7%
Pacific Islander4.4%
Two Or More5.1%
Gender Distribution
52.3%
47.7%
Male Female
Students per Grade
Grade 9500
Grade 10559
Grade 11528
Grade 12571
School Calendar 2026-2027
August 2026
Academic Schedule • 2026-2027
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Pre-School Days
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Pre-School Days
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First Day of Classes
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Menlo-Atherton High School
Academic Calendar (2026-2027)
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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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Key Dates & Holidays
Pre-School DaysAug 10
First Day of ClassesAug 12
Labor Day HolidaySep 7
Professional Development DaysSep 28
First Quarter Grading Period EndsOct 9
Indigenous Peoples Day HolidayOct 12
Veteran's Day HolidayNov 11
Thanksgiving Holiday BreakNov 23
Second Quarter Grading Period EndsDec 17
Winter BreakDec 21
Winter Break ContinuationJan 1
Site Professional Development DayJan 4
Second Semester BeginsJan 5
Martin Luther King Jr. HolidayJan 18
End of Third Quarter Progress Report PeriodFeb 5
Mid-Winter BreakFeb 15
Professional Development DayMar 1
Third Quarter Grading Period EndsMar 19
Spring BreakApr 12
End of Fourth Quarter Progress Report PeriodApr 30
Memorial Day HolidayMay 31
Fourth Quarter Grading Period EndsJun 3
Last Day of ClassesJun 3
Juneteenth Holiday ObservedJun 18
Key Dates & Holidays
2026-2027A Hub for Academic and Extracurricular Excellence
Families often seek high schools that provide robust athletic programs, perhaps including opportunities in soccer or track. Likewise, engaging extracurriculars like robotics clubs or a strong focus on the arts are highly valued. This institution aims to offer a diverse range of activities to foster student growth.
Connect with Our Community
Discover the vibrant learning environment at Menlo-Atherton High School. For detailed planning, parents can easily access the academic calendar right on this page. This ensures you're always informed about important dates and events.
Frequently Asked Questions
What types of clubs and sports are typically available?
While specific offerings can evolve, students at our school often find opportunities in various athletics and clubs. These might include activities like basketball, debate, or visual arts. We encourage direct inquiry for the most current list of extracurriculars.
How can I learn more about the school's college preparatory programs?
Our school is committed to preparing students for higher education. Detailed information about curriculum pathways and academic support services is available through the admissions office and on the school's official website.
What is the general student-to-teacher ratio?
We strive for a supportive learning environment. Specific details regarding student-to-teacher ratios are typically published in the school's annual reports or can be obtained by contacting the district office.
Are there opportunities for students interested in STEM fields?
Yes, many educational institutions like ours provide avenues for students passionate about science, technology, engineering, and mathematics. Look for programs related to STEM, coding, or science fairs.
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