Samuel W. Simpson Elementary

Grades K–5 Public District: Rialto Unified

1050 South Lilac Ave., Rialto, CA 92376 Map

Math (met standard)
54%
+12 state 42% · 2025-26
English (met standard)
68%
+21 state 47% · 2025-26
Science (met standard)
49%
+13 state 35% · 2025-26
Low income
82%
free or reduced-price lunch
Students
638
2024-25
Students per teacher
24.5
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 65% state 47% · 2025-26 61% state 44% · 2025-26 —
Grade 4 61% state 42% · 2025-26 69% state 46% · 2025-26 —
Grade 5 37% state 37% · 2025-26 71% state 49% · 2025-26 49% state 35% · 2025-26
All grades 54% state 42% · 2025-26 68% state 47% · 2025-26 49% state 35% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 54% state 42% 68% state 47% 49% state 35%
2024-25 49% state 41% 66% state 46% 44% state 33%
2023-24 48% state 41% 61% state 45% 58% state 33%
2022-23 41% state 40% 53% state 44% 37% state 32%
2021-22 32% state 37% 44% state 45% 27% state 31%
2018-19 42% state 44% 57% state 50% 35% state 32%
2017-18 43% state 43% 50% state 49% —
2016-17 31% state 40% 42% state 45% —
2015-16 30% state 39% 43% state 45% —
2014-15 25% state 35% 40% state 41% —

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
Sam V. Curtis Elementary
Grades K–5 · Rialto Unified
0.8 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%
Ruth Grimes Elementary
Grades K–6 · Colton Joint Unified
0.8 mi
33%
−8 vs state
49%
+2 vs state
22%
−13 vs state
Average of math, English and science: 36% in 2022-23 → 34% in 2025-26 85% 606 Hispanic 93%
J. Calvin Boyd Elementary
Grades K–5 · Rialto Unified
1.1 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%
Gerald A. Smith Elementary
Grades K–6 · Colton Joint Unified
1.2 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%
Georgia F. Morris Elementary
Grades K–5 · Rialto Unified
1.2 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%
Charlotte N. Werner Elementary
Grades K–5 · Rialto Unified
1.4 mi
16%
−26 vs state
25%
−21 vs state
19%
−16 vs state
7% Average of math, English and science: 13% in 2022-23 → 20% in 2025-26 91% 739 Hispanic 84%
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%
Mary B. Lewis Elementary
Grades K–6 · Colton Joint Unified
1.8 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%
Dr. Ernest Garcia Elementary
Grades K–5 · Rialto Unified
1.8 mi
36%
−6 vs state
51%
+4 vs state
32%
−3 vs state
11% Average of math, English and science: 29% in 2022-23 → 40% in 2025-26 77% 608 Hispanic 90%
J.P. Kelley Elementary
Grades K–5 · Rialto Unified
2.0 mi
20%
−22 vs state
35%
−12 vs state
15%
−20 vs state
7% Average of math, English and science: 16% in 2022-23 → 23% in 2025-26 87% 661 Hispanic 91%