| 1990 |
|---|
| SECTIONALS |
|---|
| SITE |
WINNER |
CLASS |
|---|
| Anderson Madison Heights | Anderson | |
| Batesville | Batesville | |
| Beech Grove | Indianapolis Roncalli | |
| Bellmont | Jay County | |
| Bloomfield | North Knox | |
| Bloomington North | Edgewood | |
| Blue River | New Castle | |
| Boonville | Heritage Hills | |
| Brebeuf Jesuit | Brebeuf Jesuit | |
| Brownstown | Jennings County | |
| Churubusco | Columbia City | |
| Clay City | Sullivan | |
| Cloverdale | Greencastle | |
| Connersville | Richmond | |
| Corydon | North Harrison | |
| Decatur Central | Ben Davis | |
| DeKalb | Woodlan | |
| Eastbrook | Mississinewa | |
| Elkhart Central | Penn | |
| Evansville Bosse | Evansville Reitz | |
| Floyd Central | Floyd Central | |
| Fort Wayne Northrop | Fort Wayne Dwenger | |
| Frankfort | Rossville | |
| Gary Wallace | Gary West | |
| Gibson Southern | Wood Memorial | |
| Hammond Gavit | Hammond Noll | |
| Harding | Fort Wayne Luers | |
| Hauser | Columbus North | |
| Indian Creek | Center Grove | |
| Indianapolis Scecina | Indianapolis Tech | |
| Jasper | Pike Central | |
| Knox | Kouts | |
| LaVille | New Prairie | |
| Lawrence Central | Indianapolis Arlington | |
| Lawrenceburg | East Central | |
| Lewis Cass | Peru | |
| McCutcheon | McCutcheon | |
| Merrillville | Crown Point | |
| Michigan City Rogers | Michigan City Elston | |
| Mishawaka | South Bend LaSalle | |
| Mitchell | Bedford North Lawrence | |
| Morristown | Rushville | |
| Mount Vernon (Fortville) | New Palestine | |
| Munster | Munster | |
| Northfield | Huntington North | |
| Northwestern | Kokomo | |
| NorthWood | NorthWood | |
| Plainfield | Plainfield | |
| Portage | Valparaiso | |
| Prairie Heights | Prairie Heights | |
| Randolph Southern | Northeastern | |
| Rensselaer | Kankakee Valley | |
| Rochester | Culver Academy | |
| Seeger | Benton Central | |
| Silver Creek | Charlestown | |
| South Knox | Washington | |
| South Vermillion | North Vermillion | |
| Southwestern (Hanover) | Scottsburg | |
| Twin Lakes | Carroll (Flora) | |
| Warsaw | Warsaw | |
| West Vigo | Terre Haute South | |
| Western Boone | Lebanon | |
| Westfield | Noblesville | |
| Yorktown | Delta | |
| REGIONALS |
|---|
| SITE |
WINNER |
CLASS |
|---|
| Anderson | Anderson | |
| Benton Central | Benton Central | |
| Calumet | Hammond Noll | |
| Center Grove | Ben Davis | |
| Columbus North | Jennings County | |
| Elkhart Central | South Bend LaSalle | |
| Fort Wayne Northrop | Fort Wayne Dwenger | |
| Gibson Southern | Pike Central | |
| Greencastle | Edgewood | |
| Greenfield-Central | Rushville | |
| Huntington North | Huntington North | |
| New Albany | Scottsburg | |
| Valparaiso | Valparaiso | |
| Warren Central | Noblesville | |
| Warsaw | Columbia City | |
| Washington | Bedford North Lawrence | |
| SEMISTATES |
|---|
| SITE |
WINNER |
CLASS |
|---|
| Ben Davis | Noblesville | |
| Fort Wayne Northrop | Huntington North | |
| Lafayette Jeff | Anderson | |
| Seymour | Bedford North Lawrence | |
| STATE |
|---|
| SITE |
WINNER |
CLASS |
|---|
| Market Square Arena | Huntington North | |