High Schools in Weld County School District 6
| School | Ranking | Grades | Students | Teachers | Ratio |
| UNIVERSITY CHARTER SCHOOLS | - | KG - 12 | 1,289 | 68 | 17.63/1 |
| UNIVERSITY CHARTER SCHOOLS | - | KG - 12 | 1,765 | 88.72 | 17.63/1 |
| NORTHRIDGE HIGH SCHOOL | 22.7% | 9 - 12 | 1,051 | 53.09 | 21.88/1 |
| UNION COLONY PREPARATORY SCHOOL | - | 6 - 12 | 420 | 23.6 | 19.54/1 |
| UNION COLONY PREPARATORY SCHOOL | - | 6 - 12 | 493 | 27.44 | 19.54/1 |
| GREELEY CENTRAL HIGH SCHOOL | 24% | 9 - 12 | 1,421 | 73.49 | 20.57/1 |
| JEFFERSON HIGH SCHOOL | 9% | 9 - 12 | 407 | 20.68 | 17.45/1 |
| GREELEY WEST HIGH SCHOOL | 24.5% | 9 - 12 | 1,518 | 73.29 | 21.01/1 |
| ENGAGE ACADEMY | - | 6 - 12 | 106 | 5.27 | 28.4/1 |
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