PublicCharterGrades K-12
Santa Clarita Valley International School
28060 Hasley Canyon Road, Suite 200, Castaic, CA 91384-4577(661) 705-4820
Total Students548
Student/Teacher22.48:1
Math Prof.28.81%
Reading Prof.45.58%
Graduation Rate86.4%
School Information
Charter SchoolYes
Magnet SchoolNo
Virtual SchoolNo
CountyLos Angeles
School DistrictWilliam S. Hart Union High School District
Principal / AdminMartha Spansel(661) 705-4820
Founded2008
Free/Reduced Lunch44.71% Eligible
Acceptance Rate100%
Student Demographics
White35.4%
Hispanic40.1%
Black8.9%
Asian5.8%
Native American0.2%
Two Or More8.8%
Gender Distribution
56.8%
42.5%
Male Female
Students per Grade
Grade 135
Grade 251
Grade 352
Grade 439
Grade 559
Grade 664
Grade 738
Grade 843
Grade 921
Grade 1020
Grade 1120
Grade 1242
School Calendar 2026-2027
August 2026
Academic Schedule • 2026-2027
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Santa Clarita Valley International 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 11
TK-8 Assessments & Minimum DaySep 3
TK-8 AssessmentsSep 4
Labor Day HolidaySep 7
Back to School Night & Minimum DaySep 17
Individualized Learning Plans & Minimum DaySep 24
Individualized Learning PlansSep 25
Individualized Learning PlansOct 2
Mid-Fall BreakOct 12
Veterans Day ObservanceNov 11
Fall BreakNov 23
Fall Semester EndsDec 17
Learner Free DayDec 18
Winter RecessDec 18
Spring Semester BeginsJan 12
Martin Luther King, Jr. Day HolidayJan 18
Learner Led ConferencesJan 29
Learner Led ConferencesFeb 4
Minimum Day All GradesFeb 4
Learner Free DayFeb 12
Presidents' Day HolidayFeb 15
Spring Break VacationApr 5
TK-8 Assessments & Minimum DayMay 13
TK-8 AssessmentsMay 14
Learner ShowcasesMay 27
Memorial Day HolidayMay 31
Learner ShowcasesJun 1
Last Day of SchoolJun 4
Key Dates & Holidays
2026-2027Community Reviews
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