| School Year | Class of 1970 Enrollment | Class of 1970 | Total Students | ||||
| 1957-58 | 1104 | Kindergarten | 9912 | ||||
| 1958-59 | 1042 | 1st Grade | 10770 | ||||
| 1959-60 | 1030 | 2nd Grade | 11406 | ||||
| 1960-61 | 1038 | 3rd Grade | 12069 | ||||
| 1961-62 | 1023 | 4th Grade | 12801 | ||||
| 1962-63 | 1022 | 5th Grade | 13552 | ||||
| 1963-64 | 1029 | 6th Grade | 14261 | Tappan | Slauson | Forsythe | Ann Arbor HS |
| 1964-65 | 1059 | 7th Grade | 15011 | 1184 | 874 | 1035 | 2805 |
| 1965-66 | 1104 | 8th Grade | 15992 | 1161 | 1037 | 1136 | 2872 |
| 1966-67 | n/a | 9th Grade | n/a | n/a | n/a | n/a | n/a |
| 1967-68 | n/a | 10th Grade | n/a | n/a | n/a | n/a | 3700 |
| 1968-69 | n/a | 11th Grade | n/a | n/a | n/a | n/a | n/a |
| 1969-70 | 1200-1300 | 12th Grade | n/a | n/a | n/a | n/a | n/a |
In 1970, there were 1,053 Students (634 Pioneer and 419 Huron Seniors) receiving their diplomas on June 11, 1970.
Note: University High's last year was 1967-68
Ann Arbor Public Schools adopted the "Middle School" concept in 1990; therefore, high schools became 9-12. In previous years, they were 10-12 and Junior High Schools were 7-9.
Mack School moved to a K-8 format as an "open school" in 1986
Scarlett Junior High School opened in 1968; Clauge Junior High School in 1972
Washtenaw County Area Graduates in 2010
| Washtenaw County School | Graduates | Lenawee County School | Graduates |
| Ann Arbor Pioneer | 690 | Adrian | 250 |
| Ann Arbor Huron | 504 | Tecumseh | 226 |
| Saline | 465 | Onsted | 128 |
| Dexter | 300 | Clinton | 95 |
| Ypsilanti Lincoln | 286 | Blissfield | 91 |
| Ypsilanti | 227 | Addison | 86 |
| Chelsea | 220 | Adrian Madison | 85 |
| Ann Arbor Community | 122 | Hudson | 84 |
| Father Gabriel Richard | 116 | Sand Creek | 62 |
| Whitmore Lake | 105 | Morenci | 58 |
| Washtenaw Technical Middle College | 104 | Britton-Macon | 50 |
| Greenhills | 84 | Lenawee Christian | 49 |
| Manchester | 83 | Deerfield | 27 |
| Ypsilanti Willow Run | 73 | St. Joseph Academy | 0 |
| Early College Alliance-EMU | 45 | Totals | 1291 |
| Washtenaw Christian Academy | 24 | Livingston County School | Graduates |
| Central Academy | 23 | Hartland | 470 |
| Calvary Christian | 12 | Howell | 520 |
| Clonara | 1 | Fowlerville | 170 |
| Totals | 3484 | Pinckney | n/a |
| Other | Graduates | Brighton | 480 |
| Dundee | 92 | Totals | 1640 |