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Top 10 Elementary Schools in Rialto, California

The highest-scoring elementary schools in Rialto based on our 6-dimension composite analysis of 2025 CAASPP data (state average: 45.5).

What separates the top from the rest: The top 3 schools average 21.1% Exceeded Standard, compared to 11.9% for the bottom 3 on this list. The exceeded rate — not just the met rate — is the clearest differentiator between good and great schools.

# School County Score Exceeded Met+ Absent Susp.
1 Samuel W. Simpson Elementary
Rialto Unified
 San Bernardino 55.5 30.4% 57.8% 14.5% 1.5%
2 W.J.C. Trapp Elementary
Rialto Unified
 San Bernardino 44.7 20.5% 53.0% 11.2% 1.4%
3 Winn A. Myers Elementary
Rialto Unified
 San Bernardino 43.2 12.5% 32.4% 23.6% 1.2%
4 Dr. Edward Fitzgerald Elementary
Rialto Unified
 San Bernardino 42.3 12.3% 29.6% 10.8% 3.1%
5 Helen L. Dollahan Elementary
Rialto Unified
 San Bernardino 40.6 14.3% 33.8% 14.2% 1.4%
6 J.P. Kelley Elementary
Rialto Unified
 San Bernardino 39.7 8.3% 23.7% 19.2% 1.0%
7 Lida M. Henry Elementary
Rialto Unified
 San Bernardino 39.6 12.0% 27.5% 19.5% 1.7%
8 A. H. Morgan Elementary
Rialto Unified
 San Bernardino 39.5 11.1% 34.7% 25.4% 2.2%
9 Levi Bemis Elementary
Rialto Unified
 San Bernardino 38.9 13.3% 28.4% 30.5% 1.1%
10 George H. Dunn Elementary
Rialto Unified
 San Bernardino 35.9 11.2% 25.7% 27.7% 1.4%

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