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Armstrong High School vs St Elmo Sr High School

A head-to-head comparison of two high schools in Illinois, United States, 164 km apart, using official American 2025 data. The better value in each row is highlighted.

MeasureArmstrong High School
Armstrong, Illinois
St Elmo Sr High School
Saint Elmo, Illinois
Success Index (US)
34
Lower 50%
37
Lower 50%
State rank#350 of 691#314 of 691
National rank#12366 of 16,910#11651 of 16,910
SectorPublicPublic
TypeHighHigh
Year rangeGrades 9โ€“12Grades 9โ€“12
Students114113
Enrollment114113
Free/reduced-price lunch37.7%45.1%
Students per teacher8.114.1
Reading proficiency24.5%49.5%
Math proficiency15%10%
cityArmstrongSaint Elmo
stateIllinoisIllinois
Websiteโ€“โ€“

The verdict

  • โ€ขSt Elmo Sr High School scores higher on the Success Index (US) (37.3 vs 34.2).
  • โ€ขArmstrong High School does better on math proficiency (15% vs 10%).
  • โ€ขSt Elmo Sr High School does better on reading proficiency (49.5% vs 24.5%).
  • โ€ขArmstrong High School does better on community advantage (fewer free/reduced-price lunch) (37.7% vs 45.1%).
  • โ€ขArmstrong High School does better on students per teacher (8.1 vs 14.1).
  • โ€ขArmstrong High School is the larger school with 114 students compared with 113.

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

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Frequently asked questions

Is Armstrong High School better than St Elmo Sr High School?

On the Success Index (US), St Elmo Sr High School ranks higher (37.3 vs 34.2 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 Armstrong High School and St Elmo Sr High School?

About 164 km in a straight line, between Armstrong and Saint Elmo in Illinois.

Which has the better Enrollment?

Armstrong High School: 114. St Elmo Sr High School: 113. Students enrolled in the latest NCES directory year.

How do Armstrong High School and St Elmo Sr High School rank in Illinois?

Armstrong High School is 350th of 691 and St Elmo Sr High School is 314th of 691 among high schools in Illinois on the 2025 Success Index (US).