Banta Unified
River Islands High
16601 Riptide Way, Lathrop, CA 95330
Summary
River Islands High is underperforming.
52.7% of students are reading at grade level in River Islands High, and it is slowly trending up.
Math is weaker at 31.8%; most students are not yet at grade level, it is holding steady.
Proficiency Stats
| Current Reading Proficiency | 52.7% |
| Current Math Proficiency | 31.8% |
| Reading State Rank | 769/1609 (52nd percentile) |
| Math State Rank | 466/1605 (71st percentile) |
Other Stats
| Student / Teacher Ratio | 18:1 |
| Student Enrollment | 512 |
School Website
Great Schools
Niche
Ed-Data
CAASPP2-Year Trends
2025 - 2025
Reading +4.8%•Math +0.3%
•Math +0.3%Showing school-level proficiency for the last three years
Reading Proficiency Scores
Race and ethnicity proficiency plus distribution of scores by grade.
Race and Ethnicity
Distribution of Scores by Grade
Math Proficiency Scores
Race and ethnicity proficiency plus distribution of scores by grade.
Race and Ethnicity
Distribution of Scores by Grade