PublicGrades 9-12
Las Lomas High School
1460 South Main Street, Walnut Creek, CA 94596-5319(925) 280-3920
Total Students1,577
Student/Teacher19.48:1
Math Prof.56.46%
Reading Prof.71.16%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyContra Costa
School DistrictAcalanes Union High School District
Principal / AdminSara Harris(925) 280-3920
Founded1951
Free/Reduced Lunch15.41% Eligible
Acceptance Rate100%
Student Demographics
White51.1%
Hispanic17%
Black2.9%
Asian17.2%
Native American0.3%
Pacific Islander0.4%
Two Or More11%
Gender Distribution
51.3%
48.6%
Male Female
Students per Grade
Grade 9370
Grade 10386
Grade 11388
Grade 12433
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
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Las Lomas 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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Key Dates & Holidays
Independence Day ObservanceJul 3
First Day of SchoolAug 11
Labor Day HolidaySep 7
End of First QuarterOct 9
Fall RecessOct 12
Veterans Day HolidayNov 11
Thanksgiving BreakNov 23
First Semester Finals StartDec 15
First Semester Finals EndDec 18
End of First SemesterDec 18
Winter RecessDec 21
Winter Break ContinuationJan 1
Second Semester BeginsJan 5
Martin Luther King, Jr. Day HolidayJan 18
Potential Weather DayFeb 12
Presidents' Day HolidayFeb 15
End of Third QuarterMar 12
Spring BreakApr 5
Second Semester Finals StartMay 24
Second Semester Finals EndMay 27
End of Second SemesterMay 27
Last Day of SchoolMay 27
Graduation CeremonyMay 28
Memorial Day HolidayMay 31
Juneteenth Public HolidayJun 18
Key Dates & Holidays
2026-2027A Hub for Growth and Exploration
This institution, nestled in Walnut Creek, CA, provides a dynamic learning environment. Families often look for schools offering robust athletic programs like basketball and soccer, or enriching extracurriculars such as STEM clubs and robotics. Students may also find opportunities to engage in the arts and track and field.
Connecting with Our Community
The Acalanes Union High School District campus is committed to fostering a supportive educational journey. Parents can easily access important dates and academic schedules by referring to the calendar details available on this page.
Frequently Asked Questions
What academic support is available for students?
Our school offers various academic resources designed to help students succeed. For specific details on tutoring services or academic advising, please reach out to the school's guidance department.
Are there opportunities for students interested in the arts?
Yes, students often have avenues to explore their creativity through diverse arts programs. We encourage you to check the school's program offerings for current details on visual arts, music, and theater.
What types of extracurricular activities can students participate in?
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.
How does the school prepare students for post-secondary education?
The curriculum and extracurriculars are designed to build essential skills. College and career readiness is a key focus, with guidance counseling available to support students' future aspirations.
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