PublicCharterGrades K-12
Riverside Preparatory School
19900 National Trails HWY, Oro Grande, CA 92368(760) 243-5884
Total Students2,453
Student/Teacher22.84:1
Math Prof.15.59%
Reading Prof.33.51%
Graduation Rate99.5%
School Information
Charter SchoolYes
Magnet SchoolNo
Virtual SchoolNo
CountySan Bernardino
School DistrictOro Grande School District
Principal / AdminHeather Vennes(760) 243-5884
Founded2007
Free/Reduced Lunch77.54% Eligible
Acceptance Rate100%
Student Demographics
White14.4%
Hispanic63.3%
Black15.9%
Asian1.3%
Native American0.9%
Pacific Islander0.9%
Two Or More3.2%
Gender Distribution
50.7%
49.3%
Male Female
Students per Grade
Grade 1114
Grade 2110
Grade 3132
Grade 4123
Grade 5167
Grade 6188
Grade 7270
Grade 8274
Grade 9271
Grade 10229
Grade 11214
Grade 12175
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
Holiday Event
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New Teacher Work Days
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New Teacher Work Days
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Teacher Work Day
Riverside Preparatory School
Academic Calendar (2026-2027)
July 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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Key Dates & Holidays
Fourth of July ObservanceJul 3
New Teacher Work DaysJul 29
Teacher Work DayJul 31
Teacher Work DaysAug 3
First Day of SchoolAug 5
Labor Day HolidaySep 7
Parent Conferences Minimum DaySep 29
Parent Conferences Minimum DayOct 1
Last Day of First QuarterOct 1
Fall Break RecessOct 5
First Day of Second QuarterOct 12
Veteran's DayNov 11
Thanksgiving Break RecessNov 23
Minimum Days (End of Semester)Dec 15
Last Day of First SemesterDec 18
Winter Break RecessDec 21
New Year's Day HolidayJan 1
Winter Break ContinuedJan 1
MLK Jr. HolidayJan 18
Lincoln's Birthday ObservanceFeb 12
President's Day HolidayFeb 15
Parent Conferences Minimum DayMar 17
Last Day of Third QuarterMar 19
Spring Break RecessMar 22
First Day of Fourth QuarterMar 29
Minimum DaysApr 16
Memorial Day HolidayMay 31
Minimum DaysJun 1
Last Day of SchoolJun 3
Juneteenth ObservanceJun 18
Key Dates & Holidays
2026-2027Community Reviews
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