Grade Trends

River Delta Joint Unified School District

10 public schools · Rio Vista, CA

Subject percentages show the share of students who met or exceeded the state standard.

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Bates Elementary
Grades K–6 · River Delta Joint Unified
21%
−21 vs state
42%
−3 vs state
31%
−2 vs state · 2023-24
14% Average of math, English and science: 18% in 2022-23 → 32% in 2025-26 94% 82 Hispanic 95%
Clarksburg Middle
Grades 7–9 · River Delta Joint Unified
8%
−29 vs state
25%
−25 vs state
16%
−20 vs state
3% Average of math, English and science: 13% in 2022-23 → 16% in 2025-26 75% 171 Hispanic 76%
D. H. White Elementary
Grades K–6 · River Delta Joint Unified
26%
−15 vs state
31%
−15 vs state
24%
−11 vs state
3% Average of math, English and science: 30% in 2022-23 → 27% in 2025-26 77% 432 Hispanic 45%
Delta High
Grades 10–12 · River Delta Joint Unified
14%
−18 vs state
56%
−1 vs state
34%
−5 vs state
6% Average of math, English and science: 29% in 2022-23 → 35% in 2025-26 75% 196 Hispanic 72%
Isleton Elementary
Grades K–6 · River Delta Joint Unified
53%
+12 vs state
55%
+8 vs state
60%
+25 vs state
9% Average of math, English and science: 47% in 2022-23 → 56% in 2025-26 79% 188 Hispanic 64%
Mokelumne High (Continuation)
Grades 9–12 Alternative · River Delta Joint Unified
0%
−32 vs state · 2015-16
0%
−59 vs state · 2015-16
— Not enough years of data — 8 White 63%
Rio Vista High
Grades 9–12 · River Delta Joint Unified
7%
−25 vs state
43%
−14 vs state
16%
−22 vs state
3% Average of math, English and science: 19% in 2022-23 → 22% in 2025-26 72% 317 Hispanic 52%
River Delta High/Elementary (Alternative)
Grades K–12 Alternative · River Delta Joint Unified
8%
33%
6%
13% Average of math, English and science: 8% in 2021-22 → 21% in 2024-25 67% 18 White 83%
Riverview Middle
Grades 7–8 · River Delta Joint Unified
11%
−26 vs state
31%
−19 vs state
23%
−12 vs state
3% Average of math, English and science: 19% in 2022-23 → 22% in 2025-26 77% 160 Hispanic 48%
Walnut Grove Elementary
Grades K–6 · River Delta Joint Unified
23%
−17 vs state
42%
−5 vs state
7%
−29 vs state
7% Average of math, English and science: 17% in 2022-23 → 24% in 2025-26 93% 131 Hispanic 82%

Overall change: average of the three subjects, latest year vs. 3 years earlier (↑4% means the average rate went up 4 points, e.g. 82% → 86%; — means within ±2%). Low income = eligible for free or reduced-price lunch.