Total Students451
Student/Teacher22.71:1
Math Prof.39.95%
Reading Prof.60.82%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyLos Angeles
School DistrictCastaic Union School District
Principal / AdminStephanie Sosa(661) 257-4550
Founded1980
Free/Reduced Lunch50.78% Eligible
Acceptance Rate100%
Student Demographics
White34.8%
Hispanic47.9%
Black2.7%
Asian6.4%
Two Or More8%
Gender Distribution
54.1%
45.7%
Male Female
Students per Grade
Grade 7223
Grade 8228
School Calendar 2026-2027
August 2026
Academic Schedule • 2026-2027
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First Day of School1st Trimester Begins (TK-6)1st Semester Begins (7-8)
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Elementary School Shortened Days
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Elementary School Shortened Days
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Castaic Middle 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 10
1st Trimester Begins (TK-6)Aug 10
1st Semester Begins (7-8)Aug 10
Elementary School Shortened DaysAug 11
Labor Day HolidaySep 7
Parent Conferences Shortened Day (ES)Sep 24
Parent Conferences - No SchoolSep 25
Fall BreakOct 5
1st Trimester Ends (TK-6)Nov 6
2nd Trimester Begins (TK-6)Nov 9
Veterans Day ObservanceNov 11
Thanksgiving BreakNov 23
End of 1st Semester (Grades 7-8)Dec 18
Winter Break Shortened Day (ES/CMS)Dec 18
2nd Semester Begins (Grades 7-8)Dec 21
Winter BreakDec 21
Martin Luther King, Jr. Day HolidayJan 18
School HolidayFeb 12
Presidents Day HolidayFeb 15
2nd Trimester Ends (TK-6)Mar 5
3rd Trimester Begins (TK-6)Mar 8
Spring BreakApr 5
Open House Shortened Day (ES Only)May 6
Memorial Day HolidayMay 31
Last Day of School / Shortened DayJun 4
3rd Trimester Ends (TK-6)Jun 4
2nd Semester Ends (7-8)Jun 4
Key Dates & Holidays
2026-2027Community Reviews
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