Sumner Elementary
428
Students
22.5:1
S:T Ratio
School Snapshot
Key metrics at a glanceStudent-Teacher Ratiostudents per teacher
23:1
C+
Below Avg
Graduation Rate
97%
A+
Excellent
This Week at Sumner – April 22, 2026
67 students practicing on Varsity Tutors
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School Details
Address
1770 Sumner Ave., Claremont, CA 91711
Phone
(909)398-0320
Website
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District
Claremont Unified School District
Academic Calendar
2025-2026
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