PublicGrades 5-8
Ruth Musser Middle School
10789 Terra Vista Parkway, Rancho Cucamonga, CA 91730-7324(909) 980-1230
Total Students941
Student/Teacher22.43:1
Math Prof.30.89%
Reading Prof.54.29%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountySan Bernardino
School DistrictCentral Elementary School District
Principal / AdminSteven Pierce(909) 980-1230
Founded1992
Free/Reduced Lunch68.65% Eligible
Acceptance Rate100%
Student Demographics
White15%
Hispanic46.9%
Black16%
Asian13.5%
Native American0.2%
Pacific Islander0.6%
Two Or More7.8%
Gender Distribution
52.6%
47.4%
Male Female
Students per Grade
Grade 5144
Grade 6268
Grade 7253
Grade 8276
School Calendar 2026-2027
August 2026
Academic Schedule • 2026-2027
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Ruth Musser 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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June 2027
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Key Dates & Holidays
Trimester 1 BeginsAug 6
First Day of School / All Grades Minimum DayAug 6
Labor Day HolidaySep 7
Elementary School Conferences Minimum DaysSep 14
Middle School Conferences Minimum DaysSep 15
Trimester 1 EndsOct 30
Trimester 2 BeginsNov 2
Veterans Day HolidayNov 11
Middle School Modified DayNov 20
Thanksgiving Holiday BreakNov 23
Middle School Modified DayDec 17
Winter Recess HolidayDec 21
Winter Recess HolidayJan 1
Martin Luther King Jr. Day HolidayJan 18
Middle School Conferences Minimum DaysJan 26
Lincoln's Birthday HolidayFeb 8
Presidents Day HolidayFeb 15
Trimester 2 EndsFeb 19
Trimester 3 BeginsFeb 22
Elementary School Conferences Minimum DaysMar 2
Middle School Modified DayMar 19
Spring Break Holiday RecessMar 22
Spring Break Holiday RecessApr 1
Middle School Modified DayMay 28
Last Day of School / All Grades Minimum DayMay 28
Trimester 3 EndsMay 28
Key Dates & Holidays
2026-2027A Foundation for Future Success
Families often look for schools offering diverse extracurriculars like basketball and soccer, or enriching programs such as STEM and robotics. Our school aims to provide a well-rounded educational experience, potentially including opportunities in the arts and track, fostering a supportive environment for growth.
Engage with Our School Community
Discover the vibrant learning environment at Ruth Musser Middle School. Parents can find essential information, including the academic calendar, directly on this page to stay informed about school events and important dates.
Frequently Asked Questions
What types of 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 is the typical class size at this institution?
Class sizes are managed to ensure personalized attention for each student. For precise figures, please reach out to the school's administrative office.
How does the school support students transitioning from elementary to middle school?
The campus offers various orientation programs and guidance counseling to help students adjust smoothly to the middle school environment and academic expectations.
Are there opportunities for parental involvement?
Yes, there are many ways for parents to get involved, from volunteering to participating in school events. Specific opportunities can be found through the school's parent-teacher organization.
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