PublicGrades P-5
Los Altos Elementary School
15565 Los Altos Drive, Hacienda Heights, CA 91745-5216(626) 933-2300
Total Students391
Student/Teacher21.71:1
Math Prof.46.39%
Reading Prof.52.36%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyLos Angeles
School DistrictHacienda la Puente Unified School District
Principal / AdminRosalie Sinapi(626) 933-2300
Founded1980
Free/Reduced Lunch67.01% Eligible
Acceptance Rate100%
Student Demographics
White2.3%
Hispanic86.7%
Asian8.2%
Pacific Islander0.3%
Two Or More2.6%
Gender Distribution
48.8%
51.2%
Male Female
Students per Grade
Grade 154
Grade 267
Grade 368
Grade 463
Grade 570
School Calendar 2026-2027
August 2026
Academic Schedule • 2026-2027
Holiday Event
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Sat
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Professional Development (TK-12 Students Free)
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Professional Development (TK-12 Students Free)
5
First Day of School (Semester 1 Starts)
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Los Altos 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
Professional Development (TK-12 Students Free)Aug 3
Professional Development (TK-12 Students Free)Aug 4
First Day of School (Semester 1 Starts)Aug 5
Labor Day HolidaySep 7
Student Free Day (TK-8 Only)Sep 23
6-12 End of Grading PeriodOct 23
TK-5 End of Grading PeriodNov 6
Veterans Day HolidayNov 11
Fall Recess (Thanksgiving Break)Nov 23
Student Free Day (9-12 Only) / Semester 1 EndsDec 18
Winter RecessDec 21
Winter Recess (New Year's Day)Jan 1
Student Free Day (TK-12 Students)Jan 4
Semester 2 StartsJan 5
Martin Luther King Jr. Day HolidayJan 18
Lincoln's Birthday HolidayFeb 8
6-12 End of Grading PeriodFeb 12
Presidents Day HolidayFeb 15
TK-5 End of Grading PeriodMar 5
Spring RecessMar 29
6-12 End of Grading PeriodApr 2
Semester Ends (Student Free Staff Work Day) / Last Day of SchoolMay 21
Key Dates & Holidays
2026-2027A Foundation for Future Success
Families often look for schools offering enriching activities like STEM clubs and arts programs, alongside athletic pursuits such as soccer and track. This institution fosters a vibrant learning environment where young minds can explore diverse interests.
Connect and Engage
Discover the rhythm of daily learning and special events. Parents can check the academic calendar on this page for important dates and school holidays.
Frequently Asked Questions
What extracurricular activities are available for students?
While specific programs vary each year, students often have access to clubs like robotics and athletics such as soccer. We recommend contacting the administration directly for the current list of activities.
What grades does Los Altos Elementary School serve?
This public school serves students from Preschool through 5th grade.
How can I stay informed about school events?
The school's academic calendar, updated regularly, is available on this page for parents to track important dates and holidays.
Is this school part of a larger district?
Yes, Los Altos Elementary School is a proud part of the Hacienda La Puente Unified School District.
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