Central Elementary
Ruth Musser Middle
10789 Terra Vista Parkway, Rancho Cucamonga, CA 91730-7324
Summary
Ruth Musser Middle is underperforming.
54.3% of students are reading at grade level in Ruth Musser Middle, but it is trending down.
Math is weaker at 30.9%; most students are not yet at grade level, and it is trending down slightly.
Proficiency Stats
| Current Reading Proficiency | 54.3% |
| Current Math Proficiency | 30.9% |
| Reading State Rank | 472/1751 (73rd percentile) |
| Math State Rank | 820/1754 (53rd percentile) |
Other Stats
| Student / Teacher Ratio | 22:1 |
| Student Enrollment | 941 |
| Low-Income Students | 647 (68.8%) |
| English Learners | 80 (8.5%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP2-Year Trends
2023 - 2025
Reading -5.1%•Math -1.8%
•Math -1.8%Showing school-level proficiency for the last three years
Reading Proficiency Scores
Race, economic status, English learner status, and distribution of scores by grade.
Race and Ethnicity
Distribution of Scores by Grade
Low-Income vs Non-Low-Income
Low-Income
Non-Low-Income
Low-Income -7.9%•
•Non-Low-Income +2.7%
Showing subgroup proficiency for the last three years
English Learners vs English Native
English Learners
English Native
English Learners +2.9%•
•English Native -6.9%
Showing subgroup proficiency for the last three years
Math Proficiency Scores
Race, economic status, English learner status, and distribution of scores by grade.
Race and Ethnicity
Distribution of Scores by Grade
Low-Income vs Non-Low-Income
Low-Income
Non-Low-Income
Low-Income -4.5%•
•Non-Low-Income +5.5%
Showing subgroup proficiency for the last three years
English Learners vs English Native
English Learners
English Native
English Learners -3.7%•
•English Native -3.3%
Showing subgroup proficiency for the last three years
