PublicGrades K-5
John W. Mack Elementary School
3020 South Catalina Street, Los Angeles, CA 90007-2921(323) 730-7620
Total Students283
Student/Teacher17.15:1
Math Prof.23.39%
Reading Prof.23.02%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyLos Angeles
School DistrictLos Angeles Unified School District
Principal / AdminJuana Aguilar(323) 730-7620
Founded2005
Free/Reduced Lunch96.47% Eligible
Acceptance Rate100%
Student Demographics
White0.4%
Hispanic79.9%
Black14.8%
Asian1.8%
Two Or More3.2%
Gender Distribution
53.7%
46.3%
Male Female
Students per Grade
Grade 140
Grade 241
Grade 334
Grade 450
Grade 549
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
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John W. Mack Elementary 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
Independence Day Observed HolidayJul 3
First Day of InstructionAug 12
Admission Day HolidaySep 4
Labor Day HolidaySep 7
Veterans Day HolidayNov 11
Thanksgiving Holiday BreakNov 26
Winter Recess BeginsDec 21
Winter Recess EndsJan 1
Dr. Martin L. King Jr. Birthday HolidayJan 18
Presidents' Day HolidayFeb 15
Spring Recess BreakMar 22
Cesar E. Chavez Birthday HolidayMar 31
Memorial Day HolidayMay 31
Last Day of InstructionJun 4
Juneteenth Holiday ObservedJun 18
Key Dates & Holidays
2026-2027Community Reviews
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