PublicGrades K-6
Mary B. Lewis Elementary School
18040 San Bernardino Avenue, Bloomington, CA 92316-1643(909) 580-5025
Total Students548
Student/Teacher22.83:1
Math Prof.16.61%
Reading Prof.30.92%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountySan Bernardino
School DistrictColton Joint Unified School District
Principal / AdminCari Bill(909) 580-5025
Founded1980
Free/Reduced Lunch93.07% Eligible
Acceptance Rate100%
Student Demographics
White4.2%
Hispanic87.2%
Black7.1%
Asian0.4%
Native American0.2%
Pacific Islander0.2%
Two Or More0.7%
Gender Distribution
48%
52%
Male Female
Students per Grade
Grade 166
Grade 271
Grade 371
Grade 483
Grade 599
Grade 682
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
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Mary B. Lewis 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 HolidayJul 3
First Day of SchoolAug 6
Labor Day HolidaySep 7
Veterans Day ObservanceNov 11
Thanksgiving RecessNov 23
District-wide Minimum DayDec 18
Winter Break BeginsDec 21
New Year's Day Holiday (Winter Break)Jan 1
Martin Luther King Jr. Day HolidayJan 18
Lincoln's Day ObservanceFeb 8
Washington's Day ObservanceFeb 15
Spring HolidayApr 2
District-wide Minimum DayMay 27
Memorial Day HolidayMay 31
Last Day of SchoolJun 17
Juneteenth HolidayJun 18
Key Dates & Holidays
2026-2027A Foundation for Future Success
Families often seek educational environments that foster well-rounded development. This institution is part of the Colton Joint Unified School District, offering a K-6 curriculum. Students may have opportunities to explore enriching activities like STEM clubs and arts programs, alongside potential sports such as soccer and track.
Engage and Stay Informed
The campus is dedicated to providing a supportive learning atmosphere. Parents are encouraged to review the academic calendar on this page for important dates and events throughout the school year.
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 Mary B. Lewis Elementary School serve?
Mary B. Lewis Elementary School serves students from Kindergarten through 6th grade.
How can I get involved in the school community?
Parent involvement is highly valued. Opportunities often include volunteering in classrooms, participating in school events, or joining parent-teacher organizations. Please reach out to the school office for current needs and ways to contribute.
Is this a public school?
Yes, Mary B. Lewis Elementary School is a public school within the Colton Joint Unified School District.
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