- 21st Century Charter School of Gary
- Academy for Innovative Studies
- Achieve Virtual Education Academy
- Adams Central High School
- Adams High School
- Alexandria-Monroe High School
- Anderson Christian School
- Anderson High School
- Anderson Preparatory Academy
- Andrean High School
- Angola High School
- Argos Comm Jr-Sr High School
- Arsenel Technical High School
- Attica High School
- Austin High School
- Avon High School
- Bais Yaakov High School of Indiana
- Barr Reeve Middle/High School
- Batesville High School
- Bedford-North Lawrence High School
- Beech Grove Sr High School
- Bellmont Senior High School
- Ben Davis High School
- Ben Davis University High School
- Benjamin Bosse High School
- Benton Central Jr-Sr High School
- Bethany Christian School
- Bethesda Christian School
- Bishop Chatard High School
- Bishop Dwenger High School
- Bishop Luers High School
- Bishop Noll Institute
- Blackford High School
- Blackhawk Christian Mdl/High Sch
- Bloomfield Jr-Sr High School
- Bloomington Graduation School
- Bloomington High School North
- Bloomington High School South
- Blue River Valley Jr-Sr High School
- Bluffton High School
- Booker T Washington Alt Sch
- Boone Grove High School
- Boonville High School
- Brebeuf Jesuit Preparatory School
- Bremen Senior High School
- Brown County High School
- Brownsburg High School
- Brownstown Central High School
- Burris Laboratory School
- Calumet Christian School
- Calumet New Tech High School
- Calvary Christian School
- Cannelton Elementary & High School
- Cardinal Ritter High School
- Career Academy High School
- Carmel High School
- Carroll High School
- Carroll Senior High School
- Cascade Senior High School
- Castle High School
- Caston Jr-Sr High School
- Cathedral High School
- Center Grove High School
- Centerville Sr High School
- Central Catholic Jr-Sr High School
- Central Christian Academy
- Central High School
- Central Noble Junior Senior HS
- Charles A Tindley Accelerated Sch
- Charlestown Senior High School
- Chesterton Senior High School
- Christel House Academy South
- Christel House DORS South
- Christian Academy of Indiana
- Christian Academy of Madison
- Churubusco Jr-Sr High School
- Clarksville Senior High School
- Clay City Jr-Sr High School
- Clay High School
- Clinton Central Junior-Senior High School
- Clinton Christian School
- Clinton Prairie Jr-Sr High School
- Cloverdale High School
- Colonial Christian School
- Columbia City High School
- Columbus Christian School Inc
- Columbus East High School
- Columbus North High School
- Community Baptist Christian Sch
- Community Montessori
- Community Youth Services
- Concord Community High School
- Concordia Lutheran High School
- Connersville Sr High School
- Cornerstone Baptist Academy
- Cornerstone College Prep Sch
- Corydon Central High School
- Covenant Christian High School
- Covenant Christian High School
- Covington Community High School
- Cowan High School
- Crawford County Jr-Sr High School
- Crawfordsville Sr High School
- Crispus Attucks High School
- Crosspointe Christian Academy
- Crossroad/Ft Wayne Children's Home
- Crothersville Jr-Sr High School
- Crown Point High School
- Culver Community High School