allk12 · Rankings · Highest ratio · New Hampshire · High schools

The public high schools with the highest student-to-teacher ratios in New Hampshire

Across New Hampshire, 68 public high schools are ranked here, ranked by the most students per teacher, a proxy for larger classes. Conant Middle High School (H) leads the list at 21.3:1, against a median of 11.8:1 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

New Hampshire

Top Students/teacher

21.3:1

Median Students/teacher

11.8:1

HIGHEST RATIO · NEW HAMPSHIRE

#	School	City	District	Level	Students	Ratio
1	Conant Middle High School (H)	Jaffrey, NH	Jaffrey-Rindge Cooperative School District	High	336	21.3:1
2	Academy for Science and Design Charter (H)	Nashua, NH	Academy for Science and Design Charter School	High	264	17.8:1
3	Winnisquam Regional High School	Tilton, NH	Winnisquam Regional School District	High	357	16.2:1
4	Franklin High School	Franklin, NH	Franklin School District	High	280	16.2:1
5	Manchester School of Technology (High School)	Manchester, NH	Manchester School District	High	302	15.6:1
6	Manchester Central High School	Manchester, NH	Manchester School District	High	1,130	14.3:1
7	Manchester Memorial High School	Manchester, NH	Manchester School District	High	1,296	14.3:1
8	Manchester West High School	Manchester, NH	Manchester School District	High	764	14.0:1
9	Pinkerton Academy	Derry, NH	Pinkerton Academy School District	High	2,990	13.9:1
10	Merrimack Valley High School	Penacook, NH	Merrimack Valley School District	High	744	13.8:1
11	Fall Mountain Regional High School	LANGDON, NH	Fall Mountain Regional School District	High	479	13.7:1
12	Bedford High School	Bedford, NH	Bedford School District	High	1,360	13.5:1
13	Spaulding High School	Rochester, NH	Rochester School District	High	1,298	13.2:1
14	Pembroke Academy	Pembroke, NH	Pembroke School District	High	744	13.1:1
15	Concord High School	Concord, NH	Concord School District	High	1,394	13.0:1
16	Nashua High School North	Nashua, NH	Nashua School District	High	1,543	13.0:1
17	Sanborn Regional High School	Kingston, NH	Sanborn Regional School District	High	448	12.9:1
18	Bow High School	Bow, NH	Bow School District	High	622	12.8:1
19	Windham High School	Windham, NH	Windham School District	High	945	12.8:1
20	Nashua High School South	Nashua, NH	Nashua School District	High	1,686	12.8:1
21	Monadnock Regional High School	SWANZEY, NH	Monadnock Regional School District	High	448	12.8:1
22	Plymouth Regional High School	Plymouth, NH	Pemi-Baker Regional School District	High	651	12.8:1
23	Stevens High School	Claremont, NH	Claremont School District	High	477	12.7:1
24	Dover Senior High School	Dover, NH	Dover School District	High	1,371	12.7:1
25	Goffstown High School	Goffstown, NH	Goffstown School District	High	1,008	12.6:1
26	Merrimack High School	Merrimack, NH	Merrimack School District	High	1,057	12.5:1
27	Oyster River High School	Durham, NH	Oyster River Coop School District	High	825	12.3:1
28	Keene High School	Keene, NH	Keene School District	High	1,288	12.3:1
29	Exeter High School	EXETER, NH	Exeter Region Cooperative School District	High	1,348	12.1:1
30	Hopkinton High School	Contoocook, NH	Hopkinton School District	High	284	12.0:1
31	Conval Regional High School	Peterborough, NH	Contoocook Valley School District	High	645	12.0:1
32	Londonderry Senior High School	Londonderry, NH	Londonderry School District	High	1,289	12.0:1
33	Belmont High School	Belmont, NH	Shaker Regional School District	High	361	11.9:1
34	Hollis-Brookline High School	Hollis, NH	Hollis-Brookline Cooperative School District	High	745	11.8:1
35	Mascenic Regional High School	New Ipswich, NH	Mascenic Regional School District	High	252	11.7:1
36	Kennett High School	North Conway, NH	Conway School District	High	642	11.7:1
37	Lebanon High School	Lebanon, NH	Lebanon School District	High	606	11.7:1
38	Alvirne High School	Hudson, NH	Hudson School District	High	976	11.6:1
39	Newfound Regional High School	BRISTOL, NH	Newfound Area School District	High	357	11.5:1
40	Coe-Brown Northwood Academy	Northwood, NH	Coe-Brown Northwood Academy School District	High	654	11.5:1
41	Gilford High School	Gilford, NH	Gilford School District	High	470	11.5:1
42	Campbell High School	LITCHFIELD, NH	Litchfield School District	High	343	11.4:1
43	Portsmouth High School	Portsmouth, NH	Portsmouth School District	High	1,017	11.4:1
44	Somersworth High School	Somersworth, NH	Somersworth School District	High	399	11.4:1
45	Timberlane Regional High School	Plaistow, NH	Timberlane Regional School District	High	944	11.4:1
46	John Stark Regional High School	WEARE, NH	John Stark Regional School District	High	612	11.3:1
47	Raymond High School	Raymond, NH	Raymond School District	High	326	11.2:1
48	Salem High School	Salem, NH	Salem School District	High	1,116	11.2:1
49	Prospect Mountain High School	Alton, NH	Prospect Mountain JMA School District	High	402	11.1:1
50	Kingswood Regional High School	Wolfeboro, NH	Governor Wentworth Regional School District	High	729	11.1:1

Page 1 of 2 · top 68 of 68 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.