Total Students1,774
Student/Teacher22.13:1
Math Prof.50.61%
Reading Prof.73.67%
Graduation Rate93.6%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountySan Diego
School DistrictSan Dieguito Union High School District
Principal / AdminJustin Conn(760) 436-6136
Founded1996
Free/Reduced Lunch18.26% Eligible
Acceptance Rate100%
Student Demographics
White69.4%
Hispanic17.9%
Black1.1%
Asian4.1%
Native American0.4%
Pacific Islander0.1%
Two Or More6.9%
Gender Distribution
53.5%
46.4%
Male Female
Students per Grade
Grade 9486
Grade 10448
Grade 11432
Grade 12408
School Calendar 2026-2027
August 2026
Academic Schedule • 2026-2027
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La Costa Canyon 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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May 2027
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June 2027
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Key Dates & Holidays
First Day of School (1st Semester Begins)Aug 11
Labor Day HolidaySep 7
First Quarter EndsOct 9
Second Quarter BeginsOct 13
Veterans Day ObservanceNov 11
Fall Break RecessNov 23
First Semester/Term EndsDec 18
Winter RecessDec 19
Winter Break ContinuationJan 1
Second Semester BeginsJan 6
Martin Luther King Jr. Day HolidayJan 18
Lincoln Day ObservanceFeb 15
Washington Day ObservanceFeb 16
Third Quarter EndsMar 16
Fourth Quarter BeginsMar 17
Spring Break RecessMar 29
Spring Break Recess EndsApr 1
Second Semester/Term EndsMay 28
Memorial Day HolidayMay 31
Last Day of SchoolMay 28
Key Dates & Holidays
2026-2027Community Reviews
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