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Haddam-Killingworth High School vs The Morgan School

A head-to-head comparison of two high schools in Connecticut, United States, 18 km apart, using official American 2025 data. The better value in each row is highlighted.

MeasureHaddam-Killingworth High School
Higganum, Connecticut
The Morgan School
Clinton, Connecticut
Success Index (US)
86
Top 5%
67
Top 25%
State rank#25 of 180#86 of 180
National rank#597 of 16,910#4156 of 16,910
SectorPublicPublic
TypeHighHigh
Year rangeGrades 9โ€“12Grades 9โ€“12
Students466473
Enrollment466473
Free/reduced-price lunch13.7%40%
Students per teacher9.79.9
Reading proficiency82%72%
Math proficiency57%37%
cityHigganumClinton
stateConnecticutConnecticut
Websiteโ€“โ€“

The verdict

  • โ€ขHaddam-Killingworth High School scores higher on the Success Index (US) (85.5 vs 66.6).
  • โ€ขHaddam-Killingworth High School does better on math proficiency (57% vs 37%).
  • โ€ขHaddam-Killingworth High School does better on reading proficiency (82% vs 72%).
  • โ€ขHaddam-Killingworth High School does better on community advantage (fewer free/reduced-price lunch) (13.7% vs 40%).
  • โ€ขHaddam-Killingworth High School does better on students per teacher (9.7 vs 9.9).
  • โ€ขThe Morgan School is the larger school with 473 students compared with 466.

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 Haddam-Killingworth High School better than The Morgan School?

On the Success Index (US), Haddam-Killingworth High School ranks higher (85.5 vs 66.6 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 Haddam-Killingworth High School and The Morgan School?

About 18 km in a straight line, between Higganum and Clinton in Connecticut.

Which has the better Enrollment?

Haddam-Killingworth High School: 466. The Morgan School: 473. Students enrolled in the latest NCES directory year.

How do Haddam-Killingworth High School and The Morgan School rank in Connecticut?

Haddam-Killingworth High School is 25th of 180 and The Morgan School is 86th of 180 among high schools in Connecticut on the 2025 Success Index (US).