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Ansonia High School vs Lewis S. Mills High School

A head-to-head comparison of two high schools in Connecticut, United States, 51 km apart, using official American 2025 data. The better value in each row is highlighted.

MeasureAnsonia High School
Ansonia, Connecticut
Lewis S. Mills High School
Burlington, Connecticut
Success Index (US)
34
Lower 50%
82
Top 10%
State rank#146 of 180#39 of 180
National rank#12510 of 16,910#1017 of 16,910
SectorPublicPublic
TypeHighHigh
Year rangeGrades 9โ€“12Grades 9โ€“12
Students617614
Enrollment617614
Free/reduced-price lunch59.3%14.8%
Students per teacher12.911.6
Reading proficiency42%82%
Math proficiency17%52%
cityAnsoniaBurlington
stateConnecticutConnecticut
Websiteโ€“โ€“

The verdict

  • โ€ขLewis S. Mills High School scores higher on the Success Index (US) (81.8 vs 33.6).
  • โ€ขLewis S. Mills High School does better on math proficiency (52% vs 17%).
  • โ€ขLewis S. Mills High School does better on reading proficiency (82% vs 42%).
  • โ€ขLewis S. Mills High School does better on community advantage (fewer free/reduced-price lunch) (14.8% vs 59.3%).
  • โ€ขLewis S. Mills High School does better on students per teacher (11.6 vs 12.9).
  • โ€ขAnsonia High School is the larger school with 617 students compared with 614.

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 Ansonia High School better than Lewis S. Mills High School?

On the Success Index (US), Lewis S. Mills High School ranks higher (81.8 vs 33.6 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 Ansonia High School and Lewis S. Mills High School?

About 51 km in a straight line, between Ansonia and Burlington in Connecticut.

Which has the better Enrollment?

Ansonia High School: 617. Lewis S. Mills High School: 614. Students enrolled in the latest NCES directory year.

How do Ansonia High School and Lewis S. Mills High School rank in Connecticut?

Ansonia High School is 146th of 180 and Lewis S. Mills High School is 39th of 180 among high schools in Connecticut on the 2025 Success Index (US).