PublicGrades 6-8
Challenger Middle School
41725 North 170th Street, East, Lancaster, CA 93535-7124(661) 264-1790
Total Students403
Student/Teacher21.22:1
Math Prof.3.38%
Reading Prof.20%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyLos Angeles
School DistrictWilsona Elementary School District
Principal / AdminDonnell Mayberry(661) 264-1790
Founded1980
Free/Reduced Lunch84.62% Eligible
Acceptance Rate100%
Student Demographics
White7.9%
Hispanic82.9%
Black6.5%
Asian0.5%
Native American1%
Two Or More1.2%
Gender Distribution
56.6%
43.4%
Male Female
Students per Grade
Grade 6138
Grade 7136
Grade 8129
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
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New Teacher Training
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Challenger 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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Key Dates & Holidays
New Teacher TrainingJul 30
All Teachers ReturnAug 4
Back to School NightAug 6
First Day of Student AttendanceAug 10
Labor Day HolidaySep 7
End of 1st QuarterOct 9
PD/Student Free DayOct 21
Veterans Day ObservanceNov 11
Minimum Day Before Thanksgiving BreakNov 20
Thanksgiving RecessNov 23
End of 1st SemesterDec 18
Minimum Day Before Christmas BreakDec 18
Winter RecessDec 21
Christmas Day ObservanceDec 25
New Year's Day ObservanceJan 1
Dr. Martin Luther King, Jr. DayJan 18
PD/Student Free DayFeb 3
Lincoln's BirthdayFeb 12
Presidents' DayFeb 15
End of 3rd QuarterMar 19
Spring BreakMar 22
PD/Student Free DayApr 7
Spring DayApr 26
Open House - WES / CMSMay 11
Open House - VSGMay 13
Memorial Day ObservanceMay 31
2nd to Last Day of SchoolJun 3
Last Day of School / End of 2nd SemesterJun 4
Last Day of School AttendanceJun 4
Juneteenth ObservanceJun 18
Key Dates & Holidays
2026-2027Community Reviews
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