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Samuel W. Simpson Elementary

Public Grades K-5
1429th
SchoolDigger Rank ?
of 5,857 California Elementary Schools
Better than 76% of California elementary schools
Summary

Samuel W. Simpson Elementary is a K-5 public school serving 638 students in the Rialto Unified School District, and it stands out as a high-performing school that has shown remarkable improvement, now ranking in the top quarter of all elementary schools in California.

The school's academic results are exceptionally strong, especially when compared to other local schools. In English Language Arts, 66% of students are proficient, which is nearly 30 points higher than many nearby schools like J.P. Kelley Elementary and Sam V. Curtis Elementary. The same pattern holds true in math and science, where Simpson's students outperform their peers in the district by wide margins. Furthermore, the school has made incredible progress in reducing chronic absenteeism, cutting the rate by over 30 percentage points in just a few years to a level well below both the district and state averages.

This success is particularly notable because Simpson achieves these outstanding results while serving a student population with similar needs to surrounding schools and doing so very efficiently, with per-student spending lower than several comparison schools. The school is a consistent leader for specific student groups, ranking in the 90th percentile or higher statewide for English Learners and students from low-income families. While the school excels in many areas, supporting students with disabilities is an identified area for growth. Overall, Samuel W. Simpson Elementary is a standout example of academic excellence and continuous improvement within the community.

638
Students ?
24.5
Student/teacher ratio ?
$18,966
Per pupil spending ?
82.4%
Free/discounted lunch ?
 1050 South Lilac Ave.
       Rialto, CA  92376-7826

(909) 820-7954

District: Rialto Unified


Students who attend Samuel W. Simpson Elementary usually attend:

Middle:    Rialto Middle
High:    Rialto High
Racial breakdown:

Hispanic:
89.8%
African American:
4.2%
White:
3.6%
more
 See top rated California elementary schools

 Compare Samuel W. Simpson Elementary to nearby elementary schools!
At a glance
Ranking trend: Improving — 54th percentile in 2013 → 76th in 2025
Strengths
Test scores above the California average (56% vs 41% meeting standards)
Ranks in the top 24% of California elementary schools
Ranking is trending up — up 22 percentile points since 2013
Worth a look
!Some student groups rank well below the school's overall statewide standing
!Large classes — about 24 students per teacher
Students meeting standards (2024-2025) ?
This school56%
District avg32%
California avg41%
1,429th of 5,857
California public elementary schools ?
Top 24%▲ up 24 pts since 2015
From top 48% (2015) to top 24% (2025)
See the entire ranking list of California Elementary Schools →
SchoolDigger rating ?
1st of 19Elementary Schools in the Rialto Unified
1015th of 1,543Rialto Unified among California districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankCalifornia percentileRating
202573.81429 of 585775.6%★★★★☆
202473.31437 of 586975.5%★★★★☆
202359.02093 of 585964.3%★★★☆☆
202245.42774 of 588352.8%★★★☆☆
201956.72219 of 578961.7%★★★☆☆
201853.72356 of 566258.4%★★★☆☆
201740.93050 of 569246.4%★★☆☆☆
201646.92666 of 561452.5%★★★☆☆
201545.72699 of 561151.9%★★★☆☆
201352.52536 of 553054.1%★★★☆☆
201262.91898 of 539064.8%★★★☆☆
201155.62263 of 537757.9%★★★☆☆
201060.71942 of 531463.5%★★★☆☆
200937.23223 of 519337.9%★★☆☆☆
200844.82673 of 511347.7%★★☆☆☆
200740.22891 of 511343.5%★★☆☆☆
200633.73069 of 481836.3%★★☆☆☆
200542.12601 of 482246.1%★★☆☆☆
200448.72225 of 480953.7%★★★☆☆

Disabled

YearAvg scoreStatewide rankCalifornia percentileRating
202222.91868 of 222716.1%★☆☆☆☆
201930.41770 of 258531.5%★★☆☆☆
201832.61321 of 212837.9%★★☆☆☆

English Language Learner

YearAvg scoreStatewide rankCalifornia percentileRating
202480.6233 of 316292.6%★★★★★
202371.7451 of 324586.1%★★★★☆
202256.2919 of 331172.2%★★★★☆
201951.21182 of 327563.9%★★★☆☆
201843.51588 of 324651.1%★★★☆☆

Female

YearAvg scoreStatewide rankCalifornia percentileRating
202571.31447 of 559774.1%★★★★☆
202471.41428 of 561274.6%★★★★☆
202353.12245 of 560960.0%★★★☆☆
202237.63145 of 563544.2%★★☆☆☆
201957.12117 of 549261.5%★★★☆☆
201859.71993 of 541363.2%★★★☆☆

Hispanic

YearAvg scoreStatewide rankCalifornia percentileRating
202587.6429 of 510791.6%★★★★★
202487.6446 of 510791.3%★★★★★
202374.7972 of 508780.9%★★★★☆
202266.91302 of 508474.4%★★★★☆
201971.21107 of 496377.7%★★★★☆
201870.31131 of 483076.6%★★★★☆

Low Socio Economic Status

YearAvg scoreStatewide rankCalifornia percentileRating
202583.7622 of 546088.6%★★★★☆
202482.2740 of 551786.6%★★★★☆
202368.91275 of 536376.2%★★★★☆
202260.81637 of 526468.9%★★★☆☆
201971.11129 of 517378.2%★★★★☆
201867.61320 of 508474.0%★★★★☆

Male

YearAvg scoreStatewide rankCalifornia percentileRating
202573.51354 of 562875.9%★★★★☆
202472.31403 of 564375.1%★★★★☆
202363.41793 of 563868.2%★★★☆☆
202253.72253 of 566360.2%★★★☆☆
201955.72162 of 551060.8%★★★☆☆
201847.72586 of 543152.4%★★★☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
English Language Learner (2024)93rd percentile+17 vs school
Hispanic (2025)92nd percentile+16 vs school
Low Socio Economic Status (2025)89th percentile+13 vs school
Male (2025)76th percentile~ school
Female (2025)74th percentile~ school
Disabled (2022)16th percentile-37 vs school
By subject vs California (2024-2025) ?
English Language Arts/Literacy66%+18 vs state
Mathematics49%+12 vs state
Science44%+11 vs state

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Frequently Asked Questions about Samuel W. Simpson Elementary

Students at Samuel W. Simpson Elementary are 90% Hispanic, 4% African American, 4% White, 1% Asian.

Samuel W. Simpson Elementary ranks 1429th of 5857 California elementary schools. SchoolDigger rates this school 4 stars out of 5.

Students who attend Samuel W. Simpson Elementary usually go on to attend:

Middle : Rialto Middle
High : Rialto High

In the 2024-25 school year, 638 students attended Samuel W. Simpson Elementary.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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