Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Holy Trinity Catholic School | School | 155 | Belknap | 43 31 49 N | 071 28 10 W |
| Holy Trinity School | School | 55 | Strafford | 43 15 09 N | 070 51 33 W |
| Hooksett Memorial School | School | 87 | Merrimack | 43 04 29 N | 071 27 36 W |
| Hooksett Village School | School | 68 | Merrimack | 43 05 26 N | 071 27 46 W |
| Hopkinton High School | School | 120 | Merrimack | 43 13 50 N | 071 43 08 W |
| Hopkinton Middle School | School | 118 | Merrimack | 43 13 49 N | 071 43 02 W |
| Horne Street School | School | 38 | Strafford | 43 12 37 N | 070 52 53 W |
| Hough School | School | 200 | Grafton | 43 37 29 N | 072 13 50 W |
| Hudson Memorial School | School | 56 | Hillsborough | 42 45 46 N | 071 25 25 W |
| Immaculata High School | School | 119 | Hillsborough | 42 59 39 N | 071 26 31 W |
| Immaculate Conception Apostolic Church School | School | 200 | Belknap | 43 42 42 N | 071 28 01 W |
| Indian Stream School (historical) | School | 402 | Coos | 45 02 48 N | 071 26 43 W |
| Infant Jesus School | School | 43 | Hillsborough | 42 45 34 N | 071 27 06 W |
| Inter-Lakes Elementary School | School | 180 | Belknap | 43 40 03 N | 071 29 38 W |
| Inter-Lakes High School | School | 202 | Belknap | 43 40 01 N | 071 29 25 W |
| Ireland School (historical) | School | 362 | Grafton | 44 09 39 N | 071 53 36 W |
| Jackson Grammar School | School | 232 | Carroll | 44 08 46 N | 071 10 50 W |
| Jacobs Ladder School | School | 294 | Coos | 44 22 48 N | 071 36 53 W |
| Jacques School | School | 77 | Hillsborough | 42 50 08 N | 071 39 16 W |
| Jaffrey Grade School | School | 316 | Cheshire | 42 48 52 N | 072 01 33 W |
| Jaffrey-Rindge Middle School | School | 318 | Cheshire | 42 48 40 N | 072 01 08 W |
| James Mastricola Elementary School | School | 65 | Hillsborough | 42 51 55 N | 071 29 59 W |
| Jefferson Elementary School | School | 368 | Coos | 44 24 27 N | 071 28 24 W |
| Jennie D Blake School | School | 136 | Merrimack | 43 31 21 N | 071 42 02 W |
| Jewett School | School | 341 | Coos | 44 35 23 N | 071 11 05 W |
| Jewett School | School | 101 | Hillsborough | 42 58 14 N | 071 26 19 W |
| John H Fuller Elementary School | School | 161 | Carroll | 44 03 25 N | 071 07 40 W |
| John Perkins Elementary School | School | 365 | Cheshire | 43 07 51 N | 072 11 55 W |
| John Stark Regional High School | School | 192 | Hillsborough | 43 05 38 N | 071 43 52 W |
| Jonathan M Daniels School | School | 157 | Cheshire | 42 57 25 N | 072 18 39 W |
| Jones Hill School | School | 323 | Grafton | 43 37 22 N | 072 06 17 W |
| Josiah Bartlett Elementary School | School | 202 | Carroll | 44 04 38 N | 071 16 48 W |
| Kearsarge Regional Elementary School - Bradford | School | 209 | Merrimack | 43 16 08 N | 071 57 18 W |
| Kearsarge Regional Middle and Elementary School | School | 385 | Merrimack | 43 25 00 N | 071 59 13 W |
| Keene High School | School | 154 | Cheshire | 42 56 24 N | 072 18 48 W |
| Keene Middle School | School | 147 | Cheshire | 42 56 00 N | 072 16 37 W |
| Keene State College | School | 156 | Cheshire | 42 56 40 N | 072 16 42 W |
| Kenneth A Brett School | School | 149 | Carroll | 43 50 09 N | 071 15 57 W |
| Kensington Elementary School | School | 36 | Rockingham | 42 55 36 N | 070 56 29 W |
| Kimball School | School | 94 | Merrimack | 43 12 10 N | 071 32 32 W |
| Kimball Union Academy | School | 310 | Sullivan | 43 32 46 N | 072 15 29 W |
| King School | School | 261 | Grafton | 43 45 51 N | 072 09 06 W |
| Kingswood Regional High School | School | 214 | Carroll | 43 34 33 N | 071 11 20 W |
| Kingswood Regional Middle School | School | 214 | Carroll | 43 34 33 N | 071 11 20 W |
| La Salette School | School | 205 | Belknap | 43 42 40 N | 071 28 03 W |
| Laconia High School | School | 156 | Belknap | 43 32 05 N | 071 27 43 W |
| Laconia State School | School | 190 | Belknap | 43 33 35 N | 071 29 34 W |
| Laconia State School | School | 191 | Belknap | 43 33 36 N | 071 29 32 W |
| Lady Isle School | School | 2 | Rockingham | 43 04 00 N | 070 44 39 W |
| Lafayette Regional School | School | 282 | Grafton | 44 13 53 N | 071 45 12 W |
| Lakeland School | School | 216 | Belknap | 43 36 00 N | 071 31 04 W |
| Lakes Region Christian School | School | 152 | Belknap | 43 31 14 N | 071 28 17 W |
| Lancaster Elementary School | School | 259 | Coos | 44 29 50 N | 071 34 36 W |
| Landaff Blue School | School | 236 | Grafton | 44 10 55 N | 071 55 01 W |
| Lebanon College | School | 176 | Grafton | 43 38 35 N | 072 15 11 W |
| Lebanon High School | School | 191 | Grafton | 43 39 09 N | 072 14 53 W |
| Lebanon Junior High School | School | 182 | Grafton | 43 38 39 N | 072 14 38 W |
| Ledge Street School | School | 52 | Hillsborough | 42 45 18 N | 071 29 01 W |
| Lighthouse Christian Academy | School | 67 | Strafford | 43 17 47 N | 070 58 12 W |
| Lin-Wood Public Elementary School | School | 247 | Grafton | 44 02 38 N | 071 40 23 W |
| Lin-Wood Public High School | School | 246 | Grafton | 44 02 35 N | 071 40 21 W |
| Lin-Wood Public Middle School | School | 247 | Grafton | 44 02 38 N | 071 40 23 W |
| Lincoln Akerman School | School | 20 | Rockingham | 42 54 59 N | 070 51 59 W |
| Lincoln Street Elementary School | School | 16 | Rockingham | 42 58 42 N | 070 57 29 W |
| Lincoln Street School | School | 75 | Hillsborough | 42 59 19 N | 071 27 07 W |
| Lisbon Regional Elementary School | School | 195 | Grafton | 44 12 51 N | 071 54 58 W |
| Lisbon Regional High School | School | 195 | Grafton | 44 12 51 N | 071 54 58 W |
| Lisbon Regional Middle School | School | 195 | Grafton | 44 12 51 N | 071 54 58 W |
| Litchfield Elementary School | School | 38 | Hillsborough | 42 50 18 N | 071 28 40 W |
| Litchfield Middle School | School | 38 | Hillsborough | 42 50 19 N | 071 28 38 W |
| Little Harbour School | School | 4 | Rockingham | 43 03 59 N | 070 45 08 W |
| Littleton High School | School | 278 | Grafton | 44 18 35 N | 071 46 23 W |
| Livermore School | School | 171 | Grafton | 43 46 27 N | 071 41 11 W |
| Londonderry Middle School | School | 106 | Rockingham | 42 52 25 N | 071 22 50 W |
| Londonderry Senior High School | School | 119 | Rockingham | 42 52 08 N | 071 22 43 W |
| Loudon Elementary School | School | 128 | Merrimack | 43 17 12 N | 071 28 26 W |
| Loudon Ridge School | School | 227 | Merrimack | 43 22 32 N | 071 25 39 W |
| Loudon School | School | 239 | Merrimack | 43 20 15 N | 071 21 43 W |
| Lyme Elementary School | School | 163 | Grafton | 43 48 37 N | 072 09 35 W |
| Lyndeboro Central School | School | 209 | Hillsborough | 42 52 53 N | 071 47 07 W |
| Mad River School | School | 231 | Grafton | 43 52 58 N | 071 37 08 W |
| Madison Elementary School | School | 159 | Carroll | 43 53 48 N | 071 09 06 W |
| Magdalen College | School | 171 | Merrimack | 43 17 24 N | 071 49 19 W |
| Main Dustable Road Elementary School | School | 59 | Hillsborough | 42 43 07 N | 071 30 41 W |
| Main Road School | School | 162 | Merrimack | 43 11 31 N | 071 38 22 W |
| Main Street School | School | 112 | Merrimack | 43 17 23 N | 071 36 12 W |
| Main Street School | School | 10 | Rockingham | 42 58 53 N | 070 57 13 W |
| Main Street School | School | 81 | Strafford | 43 23 13 N | 071 03 44 W |
| Manchester Central High School | School | 75 | Hillsborough | 42 59 36 N | 071 27 20 W |
| Manchester Institute of Arts and Sciences (historical) | School | 71 | Hillsborough | 42 59 28 N | 071 27 28 W |
| Manchester Memorial High School | School | 96 | Hillsborough | 42 58 03 N | 071 26 03 W |
| Manchester West High School | School | 57 | Hillsborough | 42 59 12 N | 071 28 29 W |
| Maple Avenue School | School | 94 | Hillsborough | 43 01 16 N | 071 35 48 W |
| Maple Avenue School | School | 164 | Sullivan | 43 21 52 N | 072 22 13 W |
| Maple Cottage School | School | 204 | Grafton | 43 51 47 N | 071 38 05 W |
| Maple Grove School (historical) | School | 382 | Grafton | 43 55 13 N | 071 54 28 W |
| Maple Street Elementary School | School | 134 | Merrimack | 43 13 00 N | 071 42 46 W |
| Maple Street School | School | 70 | Strafford | 43 18 14 N | 070 59 01 W |
| Maplewood Elementary School | School | 69 | Strafford | 43 15 04 N | 070 52 47 W |
| Marlborough Elementary School | School | 221 | Cheshire | 42 54 15 N | 072 12 43 W |
| Marston School | School | 329 | Coos | 44 28 32 N | 071 11 00 W |
| Marston School | School | 21 | Rockingham | 42 56 24 N | 070 49 40 W |
| Martin School | School | 156 | Merrimack | 43 11 21 N | 071 40 18 W |
| Mary A Fisk Elementary School | School | 46 | Rockingham | 42 46 53 N | 071 14 15 W |
| Mary C Dondero Elementary School | School | 14 | Rockingham | 43 02 17 N | 070 46 06 W |
| Mascenic Regional High School | School | 331 | Hillsborough | 42 44 36 N | 071 49 01 W |
| Mason Elementary School | School | 226 | Hillsborough | 42 44 40 N | 071 46 08 W |
| Mastricola Middle School | School | 65 | Hillsborough | 42 52 00 N | 071 29 54 W |
| Mastway School | School | 46 | Strafford | 43 10 03 N | 070 53 56 W |
| Matthew Thornton Elementary School | School | 125 | Rockingham | 42 51 57 N | 071 22 33 W |