Ruth Musser Middle
Intermediate/Middle Schools (Public)Grades 5–8Active
10789 Terra Vista Parkway, Rancho Cucamonga, CA 91730-7324
(909) 980-1230
Overall Score (2024-25)
↓ 1.2 ptsvs 2023-2452
out of 100
AverageTop 48% statewideData completeness: 100%
Academic Achievement62
CA avg
Academic Growth26
CA avg
Equity65
CA avg
School Climate51
CA avg
Score reflects percentile ranking among same-type schools. How is this calculated?
Test Scores (2024-25)
Percentage of students meeting or exceeding standards on CAASPP/CAST.
English Language Arts54.3%
CA avg 48.8%
Mathematics30.9%
CA avg 34.6%
Science / CAST (2024-25)36.0%
CA avg 32.7%
By Grade
| Grade | ELA % | Math % | Science % | Tested |
|---|---|---|---|---|
| 05 | 51.4% | 26.1% | 33.8% | 140 |
| 06 | 50.4% | 31.1% | — | 266 |
| 07 | 51.2% | 28.1% | — | 248 |
| 08 | 62.5% | 35.8% | 37.2% | 267 |
Enrollment & Demographics (2024-25)
941
Total Students
68.7%
Free/Reduced Lunch
8.5%
English Learners
Staff (2024-25)
22.4:1
Pupil-Teacher Ratio
Chronic Absenteeism (2024-25)
↓ 0.4%20.4%
Chronically Absent
1,004
Students Tracked
Historical Trends
Year-over-year performance data from official CDE records.
Composite Score
ELA Proficiency %
Math Proficiency %
Science / CAST %
Chronic Absenteeism Rate %
Total Enrollment
Parent & Community Reviews
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Data sourced from the California Department of Education. CDS Code: 36676456110704. Academic Year: 2023-24 – 2024-25.