Ruth Grimes Elementary

Grades K–6 Public District: Colton Joint Unified

1609 Spruce Ave., Bloomington, CA 92316 Map

Math (met standard)
33%
−8 state 40% · 2025-26
English (met standard)
49%
+2 state 47% · 2025-26
Science (met standard)
22%
−13 state 35% · 2025-26
Low income
85%
free or reduced-price lunch
Students
606
2024-25
Students per teacher
21.6
2024-25

Test score trends

Share of students who met or exceeded the state standard each year.

Latest results by grade

Grade Math English Science
Grade 3 39% state 47% · 2025-26 41% state 44% · 2025-26 —
Grade 4 32% state 42% · 2025-26 44% state 46% · 2025-26 —
Grade 5 31% state 37% · 2025-26 53% state 49% · 2025-26 22% state 35% · 2025-26
Grade 6 29% state 37% · 2025-26 55% state 48% · 2025-26 —
All grades 33% state 40% · 2025-26 49% state 47% · 2025-26 22% state 35% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 33% state 40% 49% state 47% 22% state 35%
2024-25 40% state 40% 48% state 47% 25% state 33%
2023-24 41% state 39% 49% state 45% 25% state 33%
2022-23 39% state 38% 48% state 44% 22% state 32%
2021-22 31% state 37% 47% state 45% 15% state 31%
2018-19 46% state 44% 52% state 50% 23% state 32%
2017-18 40% state 42% 50% state 49% —
2016-17 37% state 39% 49% state 46% —
2015-16 32% state 38% 47% state 46% —
2014-15 27% state 35% 41% state 42% —

Students

Race and ethnicity, 2024-25

Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).

Nearby schools

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

Pick to compare
Joe Baca
Grades 7–8 · Colton Joint Unified
0.4 mi
18%
−19 vs state
26%
−24 vs state
13%
−22 vs state
4% Average of math, English and science: 15% in 2022-23 → 19% in 2025-26 92% 705 Hispanic 91%
Samuel W. Simpson Elementary
Grades K–5 · Rialto Unified
0.8 mi
54%
+12 vs state
68%
+21 vs state
49%
+13 vs state
13% Average of math, English and science: 44% in 2022-23 → 57% in 2025-26 82% 638 Hispanic 90%
Gerald A. Smith Elementary
Grades K–6 · Colton Joint Unified
1.0 mi
31%
−10 vs state
39%
−8 vs state
23%
−12 vs state
7% Average of math, English and science: 24% in 2022-23 → 31% in 2025-26 87% 565 Hispanic 93%
Mary B. Lewis Elementary
Grades K–6 · Colton Joint Unified
1.4 mi
22%
−19 vs state
35%
−12 vs state
25%
−11 vs state
10% Average of math, English and science: 17% in 2022-23 → 27% in 2025-26 93% 548 Hispanic 87%
Maple Elementary
Grades K–5 · Fontana Unified
1.5 mi
23%
−19 vs state
31%
−16 vs state
17%
−18 vs state
3% Average of math, English and science: 21% in 2022-23 → 24% in 2025-26 81% 511 Hispanic 90%
Walter Zimmerman Elementary
Grades K–6 · Colton Joint Unified
1.6 mi
17%
−24 vs state
31%
−16 vs state
19%
−16 vs state
Average of math, English and science: 22% in 2022-23 → 22% in 2025-26 92% 512 Hispanic 98%
Sam V. Curtis Elementary
Grades K–5 · Rialto Unified
1.6 mi
33%
−10 vs state
46%
−1 vs state
22%
−14 vs state
8% Average of math, English and science: 25% in 2022-23 → 33% in 2025-26 85% 702 Hispanic 87%
Crestmore Elementary
Grades K–6 · Colton Joint Unified
1.6 mi
29%
−12 vs state
42%
−5 vs state
34%
−2 vs state
7% Average of math, English and science: 28% in 2022-23 → 35% in 2025-26 87% 586 Hispanic 98%
Georgia F. Morris Elementary
Grades K–5 · Rialto Unified
1.8 mi
45%
+3 vs state
49%
+2 vs state
39%
+4 vs state
14% Average of math, English and science: 30% in 2022-23 → 44% in 2025-26 81% 604 Hispanic 90%
J. Calvin Boyd Elementary
Grades K–5 · Rialto Unified
1.9 mi
28%
−15 vs state
34%
−12 vs state
20%
−16 vs state
13% Average of math, English and science: 14% in 2022-23 → 27% in 2025-26 87% 569 Hispanic 93%