| Location | Spring 17 | Spring 18 | Spring 19 | Spring 20 | Spring 21 | One Year Change | Location | Spring 17 | Spring 18 | Spring 19 | Spring 20 | Spring 21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All Others | 967 | 914 | 964 | 899 | 732 | -6.7% | All Others | 24.8 | 25.1 | 26.9 | 26.9 | 26.3 |
| Bacon Academy | 103 | 109 | 96 | 83 | 69 | -13.5% | Bacon Academy | 2.6 | 3.0 | 2.7 | 2.5 | 2.5 |
| East Lyme HS | 158 | 127 | 138 | 112 | 86 | -18.8% | East Lyme HS | 4.0 | 3.5 | 3.8 | 3.4 | 3.1 |
| Ella T Grasso SE Technical Hig | 106 | 99 | 100 | 83 | 77 | -17% | Ella T Grasso SE Technical Hig | 2.7 | 2.7 | 2.8 | 2.5 | 2.8 |
| Griswold HS | 120 | 131 | 117 | 121 | 78 | 3.4% | Griswold HS | 3.1 | 3.6 | 3.3 | 3.6 | 2.8 |
| High School Equivalency Exam | 274 | 180 | 179 | 158 | 99 | -11.7% | High School Equivalency Exam | 7.0 | 4.9 | 5.0 | 4.7 | 3.6 |
| Home Education | 39 | 43 | 31 | 31 | 22 | 0% | Home Education | 1.0 | 1.2 | 0.9 | 0.9 | 0.8 |
| Ledyard HS | 185 | 182 | 190 | 169 | 135 | -11.1% | Ledyard HS | 4.7 | 5.0 | 5.3 | 5.1 | 4.9 |
| Lyman Mem Jr-Sr HS | 59 | 52 | 46 | 43 | 35 | -6.5% | Lyman Mem Jr-Sr HS | 1.5 | 1.4 | 1.3 | 1.3 | 1.3 |
| Montville HS | 153 | 137 | 126 | 113 | 108 | -10.3% | Montville HS | 3.9 | 3.8 | 3.5 | 3.4 | 3.9 |
| New London HS | 134 | 125 | 142 | 135 | 112 | -4.9% | New London HS | 3.4 | 3.4 | 4.0 | 4.0 | 4.0 |
| Norwich Adult Ed | 37 | 34 | 32 | 27 | 23 | -15.6% | Norwich Adult Ed | 0.9 | 0.9 | 0.9 | 0.8 | 0.8 |
| Norwich Free Academy | 552 | 503 | 453 | 430 | 364 | -5.1% | Norwich Free Academy | 14.1 | 13.8 | 12.6 | 12.9 | 13.1 |
| Norwich Technical High School | 86 | 94 | 90 | 102 | 93 | 13.3% | Norwich Technical High School | 2.2 | 2.6 | 2.5 | 3.1 | 3.3 |
| Out Of Country | 193 | 185 | 179 | 176 | 139 | -1.7% | Out Of Country | 4.9 | 5.1 | 5.0 | 5.3 | 5.0 |
| Out Of State | 25 | 26 | 37 | 32 | 29 | -13.5% | Out Of State | 0.6 | 0.7 | 1.0 | 1.0 | 1.0 |
| Plainfield HS | 77 | 80 | 74 | 61 | 49 | -17.6% | Plainfield HS | 2.0 | 2.2 | 2.1 | 1.8 | 1.8 |
| R E Fitch Sr HS | 189 | 188 | 178 | 161 | 145 | -9.6% | R E Fitch Sr HS | 4.8 | 5.2 | 5.0 | 4.8 | 5.2 |
| St. Bernard HS | 41 | 33 | 32 | 41 | 32 | 28.1% | St. Bernard HS | 1.0 | 0.9 | 0.9 | 1.2 | 1.2 |
| Stonington HS | 89 | 75 | 87 | 76 | 76 | -12.6% | Stonington HS | 2.3 | 2.1 | 2.4 | 2.3 | 2.7 |
| Three Rivers Middle College HS | 66 | 61 | 56 | 71 | 72 | 26.8% | Three Rivers Middle College HS | 1.7 | 1.7 | 1.6 | 2.1 | 2.6 |
| Waterford HS | 147 | 147 | 128 | 124 | 111 | -3.1% | Waterford HS | 3.8 | 4.0 | 3.6 | 3.7 | 4.0 |
| Wheeler HS | 35 | 35 | 37 | 33 | 33 | -10.8% | Wheeler HS | 0.9 | 1.0 | 1.0 | 1.0 | 1.2 |
| Windham Technical High School | 36 | 48 | 39 | 32 | 34 | -17.9% | Windham Technical High School | 0.9 | 1.3 | 1.1 | 1.0 | 1.2 |
| Woodstock Academy | 34 | 37 | 36 | 29 | 26 | -19.4% | Woodstock Academy | 0.9 | 1.0 | 1.0 | 0.9 | 0.9 |