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allk12 · Rankings · Fastest declining · Connecticut · High schools

The fastest-declining public high schools by enrollment in Connecticut

121 public high schools in Connecticut appear in this ranking of the fastest-declining public high schools by enrollment, ranked by the steepest enrollment decline between the 2017-18 and 2024-25 school years. Science and Technology Magnet Pathway for High School Grades leads the list at -71.5%, against a median of -12.5% across the ranked schools.

The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.

Schools ranked
121
Connecticut
Best Enrollment change
-71.5%
Median Enrollment change
-12.5%
FASTEST DECLINING · CONNECTICUT
#SchoolCityDistrict2017-182024-25% Change
1Science and Technology Magnet Pathway for High School GradesNew London, CTNew London School District600171-71.5%
2Sport and Medical Sciences AcademyHartford, CTHartford School District700463-33.9%
3Westbrook High SchoolWestbrook, CTWestbrook School District250166-33.6%
4Daniel Hand High SchoolMadison, CTMadison School District1,128751-33.4%
5Coginchaug Regional High SchoolDurham, CTRegional School District 13532356-33.1%
6Aerospace/Hydrospace Engineering and Physical Sciences MagneBridgeport, CTBridgeport School District475324-31.8%
7Haddam-Killingworth High SchoolHigganum, CTRegional School District 17673466-30.8%
8RHAM High SchoolHebron, CTRegional School District 081,013714-29.5%
9Bacon AcademyColchester, CTColchester School District796572-28.1%
10Valley Regional High SchoolDeep River, CTRegional School District 04587429-26.9%
11Old Saybrook Senior High SchoolOld Saybrook, CTOld Saybrook School District453338-25.4%
12Terryville High SchoolTerryville, CTPlymouth School District447337-24.6%
13Plainfield High SchoolCentral Village, CTPlainfield School District682515-24.5%
14Somers High SchoolSomers, CTSomers School District475359-24.4%
15Tourtellotte Memorial High SchoolNorth Grosvenordale, CTThompson School District243184-24.3%
16Northwestern Regional High SchoolWinsted, CTRegional School District 07704536-23.9%
17Nathan Hale-Ray High SchoolMoodus, CTEast Haddam School District344262-23.8%
18North Branford High SchoolNorth Branford, CTNorth Branford School District565432-23.5%
19Bolton High SchoolBolton, CTBolton School District275212-22.9%
20Newtown High SchoolSandy Hook, CTNewtown School District1,6241,254-22.8%
21Tolland High SchoolTolland, CTTolland School District827639-22.7%
22Lyme-Old Lyme High SchoolOld Lyme, CTRegional School District 18473367-22.4%
23Thomaston High SchoolThomaston, CTThomaston School District395307-22.3%
24Joel Barlow High SchoolRedding, CTRegional School District 09893698-21.8%
25Stonington High SchoolPawcatuck, CTStonington School District694543-21.8%
26Parish Hill High SchoolChaplin, CTRegional School District 11233184-21.0%
27Joseph A. Foran High SchoolMilford, CTMilford School District912727-20.3%
28Biotechnology Research & Zoological Studies Magnet High SchoBridgeport, CTBridgeport School District471376-20.2%
29Montville High SchoolOakdale, CTMontville School District613491-19.9%
30Suffield High SchoolWest Suffield, CTSuffield School District797641-19.6%
31Lewis S. Mills High SchoolBurlington, CTRegional School District 10762614-19.4%
32The Gilbert SchoolWinsted, CTThe Gilbert School District561452-19.4%
33Wolcott High SchoolWolcott, CTWolcott School District757611-19.3%
34Pomperaug Regional High SchoolSouthbury, CTRegional School District 151,197970-19.0%
35Information Technology & Software Engineering Magnet High ScBridgeport, CTBridgeport School District475386-18.7%
36Global Experience Magnet SchoolBloomfield, CTBloomfield School District215175-18.6%
37The Morgan SchoolClinton, CTClinton School District571473-17.2%
38Watertown High SchoolWatertown, CTWatertown School District836693-17.1%
39Pathways Academy of Technology and DesignEast Hartford, CTHartford School District432359-16.9%
40Waterbury Career AcademyWaterbury, CTWaterbury School District851709-16.7%
41Classical Magnet SchoolHartford, CTHartford School District523438-16.3%
42New Milford High SchoolNew Milford, CTNew Milford School District1,3531,150-15.0%
43Ridgefield High SchoolRidgefield, CTRidgefield School District1,6581,411-14.9%
44Waterford High SchoolWaterford, CTWaterford School District836713-14.7%
45Weston High SchoolWeston, CTWeston School District808691-14.5%
46Oxford High SchoolOxford, CTOxford School District556476-14.4%
47Woodland Regional High SchoolBeacon Falls, CTRegional School District 16666571-14.3%
48Granby Memorial High SchoolGranby, CTGranby School District657564-14.2%
49Simsbury High SchoolSimsbury, CTSimsbury School District1,3801,187-14.0%
50Portland High SchoolPortland, CTPortland School District375323-13.9%
Page 1 of 3 · top 121 of 121 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.