PublicGrades 9-12
Roy A. Johnson High School
18400 Clifton Way, Castro Valley, CA 94546-0146(510) 537-3000
Total Students18
Student/Teacher9:1
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyAlameda
School DistrictCastro Valley Unified School District
Principal / AdminKenneth Kahn(510) 537-3000
Founded1980
Free/Reduced Lunch50% Eligible
Acceptance Rate100%
Student Demographics
White5.6%
Hispanic33.3%
Black5.6%
Asian33.3%
Two Or More22.2%
Gender Distribution
55.6%
44.4%
Male Female
Students per Grade
Grade 1218
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
Holiday Event
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Summer Break Ends
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Roy A. Johnson High School
Academic Calendar (2026-2027)
July 2026
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August 2026
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September 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
Independence Day Observed HolidayJul 3
Summer Break EndsJul 30
First Day of SchoolAug 5
Labor Day HolidaySep 7
Preschool-Grade 5 Early DismissalSep 22
Preschool-Grade 5 No School DaySep 25
Middle School Minimum DaysOct 6
Fall BreakOct 9
Winter Break BeginsDec 21
Winter Break EndsJan 1
Grades 6-12 Work Day (No School Pre-5)Jan 4
Martin Luther King Jr. Birthday HolidayJan 18
President's Day BreakFeb 15
Trimester 2 EndsFeb 25
Teacher Report Card Prep Minimum DaysMar 3
Grades 6-8 Report Card Prep Minimum DaysMar 18
Preschool-Grade 5 Early DismissalMar 24
Spring Break BeginsMar 29
Spring Break ContinuesApr 1
Spring Non-School DayApr 26
Finals / End of Year Minimum DaysMay 26
Last Day of SchoolMay 28
Trimester 3 EndsMay 28
Memorial Day HolidayMay 31
Juneteenth HolidayJun 18
Key Dates & Holidays
2026-2027A Hub for Growth and Exploration
Families often seek institutions providing robust athletic programs like basketball and soccer, alongside engaging extracurriculars such as STEM and robotics. Students at this public high school may also discover avenues to express creativity through the arts or excel in track and field. Our school fosters a dynamic environment for diverse interests.
Connecting with Our Community
The Castro Valley Unified School District is committed to student success. Parents and guardians can conveniently access the academic calendar on this page to stay informed about key dates and events throughout the school year. We encourage active participation in school life.
Frequently Asked Questions
What types of extracurricular activities are available for students?
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 can I get involved in the school community?
Parent involvement is highly valued. Opportunities range from volunteering for school events to joining parent-teacher organizations. Please check the academic calendar for upcoming meetings and events.
What is the general approach to curriculum at Roy A. Johnson High School?
The curriculum is designed to prepare students for future success, offering a range of subjects and pathways. Students can explore core academics alongside specialized programs.
Are there opportunities for students interested in the arts?
Yes, many schools in the district aim to provide a well-rounded education, which often includes opportunities for students to explore visual arts, performing arts, and music.
Community Reviews
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