- Northwest Louisiana Technical Community CollegeCity: MindenState: Louisiana
- Northwest Mississippi Community CollegeCity: SenatobiaState: Mississippi
- Northwest Missouri State UniversityCity: MaryvilleState: Missouri
- Northwest Shoals Community CollegeCity: Muscle ShoalsState: Alabama
- Northwest State Community CollegeCity: ArchboldState: Ohio
- Northwest Technical CollegeCity: BemidjiState: Minnesota
- Northwest Technical InstituteCity: SpringdaleState: Arkansas
- Northwest Technology Center-AlvaCity: AlvaState: Oklahoma
- Northwest Technology Center-FairviewCity: FairviewState: Oklahoma
- Northwest Vista CollegeCity: San AntonioState: Texas
- Northwestern Michigan CollegeCity: Traverse CityState: Michigan
- Northwestern Oklahoma State UniversityCity: AlvaState: Oklahoma
- Northwestern State University of LouisianaCity: NatchitochesState: Louisiana
- Northwood Technical CollegeCity: Rice LakeState: Wisconsin
- Nueta Hidatsa Sahnish CollegeCity: New TownState: North Dakota
- Nunez Community CollegeCity: ChalmetteState: Louisiana
- Oakland Community CollegeCity: Auburn HillsState: Michigan
- Oakland UniversityCity: Rochester HillsState: Michigan
- Oakton CollegeCity: Des PlainesState: Illinois
- Ocean County CollegeCity: Toms RiverState: New Jersey
- Ocean County Vocational-Technical SchoolCity: Toms RiverState: New Jersey
- Oconee Fall Line Technical CollegeCity: SandersvilleState: Georgia
- Odessa CollegeCity: OdessaState: Texas
- Ogden-Weber Technical CollegeCity: OgdenState: Utah
- Ogeechee Technical CollegeCity: StatesboroState: Georgia
- Oglala Lakota CollegeCity: KyleState: South Dakota
- Ohio State University Agricultural Technical InstituteCity: WoosterState: Ohio
- Ohio State University-Lima CampusCity: LimaState: Ohio
- Ohio State University-Main CampusCity: ColumbusState: Ohio
- Ohio State University-Mansfield CampusCity: MansfieldState: Ohio
- Ohio State University-Marion CampusCity: MarionState: Ohio
- Ohio State University-Newark CampusCity: NewarkState: Ohio
- Ohio University-Chillicothe CampusCity: ChillicotheState: Ohio
- Ohio University-Eastern CampusCity: Saint ClairsvilleState: Ohio
- Ohio University-Lancaster CampusCity: LancasterState: Ohio
- Ohio University-Main CampusCity: AthensState: Ohio
- Ohio University-Southern CampusCity: IrontonState: Ohio
- Ohio University-Zanesville CampusCity: ZanesvilleState: Ohio
- Ohlone CollegeCity: FremontState: California
- Okaloosa Technical CollegeCity: Fort Walton BeachState: Florida
- Oklahoma City Community CollegeCity: Oklahoma CityState: Oklahoma
- Oklahoma Panhandle State UniversityCity: GoodwellState: Oklahoma
- Oklahoma State University Center for Health SciencesCity: TulsaState: Oklahoma
- Oklahoma State University Institute of TechnologyCity: OkmulgeeState: Oklahoma
- Oklahoma State University-Main CampusCity: StillwaterState: Oklahoma
- Oklahoma State University-Oklahoma CityCity: Oklahoma CityState: Oklahoma
- Old Dominion UniversityCity: NorfolkState: Virginia
- Olney Central CollegeCity: OlneyState: Illinois
- Olympic CollegeCity: BremertonState: Washington
- Onondaga Community CollegeCity: SyracuseState: New York
- Onondaga Cortland Madison BOCESCity: LiverpoolState: New York
- Orange Coast CollegeCity: Costa MesaState: California
- Orange County Community CollegeCity: MiddletownState: New York
- Orange Technical CollegeCity: OrlandoState: Florida
- Orange Technical College-East CampusCity: Winter ParkState: Florida
- Orange Technical College-South CampusCity: OrlandoState: Florida
- Orange Technical College-West CampusCity: Winter GardenState: Florida
- Orange Ulster BOCES-Practical Nursing ProgramCity: NewburghState: New York
- Orangeburg Calhoun Technical CollegeCity: OrangeburgState: South Carolina
- Oregon Coast Community CollegeCity: NewportState: Oregon