Skip to content
S

Deerfield Elementary School vs Thelma L. Sandmeier Elementary School

A head-to-head comparison of two schools in New Jersey, United States, 2.4 km apart, using official American 2025 data. The better value in each row is highlighted.

MeasureDeerfield Elementary School
Mountainside, New Jersey
Thelma L. Sandmeier Elementary School
Springfield, New Jersey
Success Index (US)
94
Top 5%
88
Top 5%
State rank#29 of 440#260 of 1,479
National rank#86 of 15,369#1449 of 50,301
SectorPublicPublic
TypeMiddleElementary
Year rangeGrades 3โ€“8Grades 3โ€“5
Students483276
Enrollment483276
Free/reduced-price lunch2.9%13.8%
Students per teacher10.712.0
Reading proficiency81%74%
Math proficiency73%72%
cityMountainsideSpringfield
stateNew JerseyNew Jersey
Websiteโ€“โ€“

The verdict

  • โ€ขDeerfield Elementary School scores higher on the Success Index (US) (93.9 vs 87.6).
  • โ€ขDeerfield Elementary School does better on math proficiency (73% vs 72%).
  • โ€ขDeerfield Elementary School does better on reading proficiency (81% vs 74%).
  • โ€ขDeerfield Elementary School does better on community advantage (fewer free/reduced-price lunch) (2.9% vs 13.8%).
  • โ€ขDeerfield Elementary School does better on students per teacher (10.7 vs 12.0).
  • โ€ขDeerfield Elementary School is the larger school with 483 students compared with 276.

The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.

Free academic assessment

Torn between two schools? Start with your child.

Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.

  • Personalised learning plan mapped to the Australian Curriculum
  • English & Maths from Kindergarten to Year 12
  • Flexible memberships, no lock-in contracts
  • Centres across NSW, VIC, QLD, WA, SA and ACT

No cost, no obligation. By submitting you agree to be contacted by Success Tutoring about your enquiry. See our privacy policy.

Frequently asked questions

Is Deerfield Elementary School better than Thelma L. Sandmeier Elementary School?

On the Success Index (US), Deerfield Elementary School ranks higher (93.9 vs 87.6 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.

How far apart are Deerfield Elementary School and Thelma L. Sandmeier Elementary School?

About 2.4 km in a straight line, between Mountainside and Springfield in New Jersey.

Which has the better Enrollment?

Deerfield Elementary School: 483. Thelma L. Sandmeier Elementary School: 276. Students enrolled in the latest NCES directory year.

How do Deerfield Elementary School and Thelma L. Sandmeier Elementary School rank in New Jersey?

Deerfield Elementary School is 29th of 440 and Thelma L. Sandmeier Elementary School is 260th of 1,479 among middle schools in New Jersey on the 2025 Success Index (US).