| School Name | Phone | City | County |
|---|---|---|---|
| Nobel University | (213) 382-1136 | Los Angeles | Los Angeles |
| Nobel University | 714 228-0307 | Buena Park | Orange |
| North Adrian's College of Beauty | 209 526-2040 | Modesto | Stanislaus |
| North American Training Center | (909) 307-5770 | Redlands | San Bernardino |
| North-West College | San Diego | San Diego | |
| North-West College | 562 488-4500 | Long Beach | Los Angeles |
| North-West College | 626 960-5046 | West Covina | Los Angeles |
| North-West College | 714 550-8000 | Anaheim | Orange |
| North-West College | 818 242-0205 | Glendale | Los Angeles |
| North-West College | 818 243-1131 | Riverside | Los Angeles |
| North-West College | 818 243-1131 | Bakersfield | Los Angeles |
| North-West College | 818 243-1131 | West Covina | Los Angeles |
| North-West College | 818 464-0286 | Van Nuys | Los Angeles |
| North-West College | 909 623-1552 | Pomona | Los Angeles |
| North-West College | 951 351-7750 | Riverside | Riverside |
| Northeastern University | 408 229-2292 | Oakland | Alameda |
| Northeastern University | 617 373-2000 | San Jose | Santa Clara |
| Northern California Grooming Academy | 408 722-7767 | San Jose | Santa Clara |
| Northern California Nursing Academy | 650 992-6262 | Vacaville | Solano |
| Northern California Nursing Academy | 650 992-6262 | Daly City | San Mateo |
| Northern California School of Sleep Medicine | 916 789-0112 | Roseville | Placer |
| Northwest Lineman College | 530 534-7260 | Oroville | Butte |
| Nourish the Brain Institute | 805 550-7232 | Long Beach | Los Angeles |
| NTMA Machinist Career College | 562 404-4295 | Santa Fe Springs | Los Angeles |
| Nurses' Development Center, Inc. | 562 403-2115 | Cypress | Orange |
| Nursing Practice and Education Consultants dba Curam College of Nursing | 916 427-4400 | Sacramento | Sacramento |
| Oak Brook College of Law and Government Policy (Woodward Crt Prfsnl Ctr) | (559) 650-7755 | Fresno | Fresno |
| Oakland Barber Academy | 510 459-0337 | Oakland | Alameda |
| OC Health Career College | 714 379-5858 | Westminster | Orange |
| Oikos University | 510 639-7879 | Los Angeles | Los Angeles |
| Oikos University | 510 639-7879 | Oakland | Alameda |
| Oklahoma City University | 405 208-5000 | Culver City | Los Angeles |
| Olivet University | 951 763-0500 | Los Angeles | Riverside |
| Olivet University | 951 763-0500 | Anza | Riverside |
| Olivet University (San Francisco Campus) | 415 371-0002 | Mill Valley | Marin |
| Opportunity Junction, Inc. | 925 776-1133 | Antioch | Contra Costa |
| Orange County EMT | 949 421-3958 | Lake Forest | Orange |
| Orange County School of Massage | 949 842-1224 | Lake Forest | ORANGE |
| Oxford Institute of Technology | (818) 708-8103 | Tarzana | Los Angeles |
| Oxman College | 415 751-6461 | Daly City | San Mateo |
| Oxman College | 415 751-6461 | Citrus Heights | Sacramento |
| P. Steve Ramirez Vocational Training Centers | 559 554-9709 | Modesto | Stanislaus |
| P. Steve Ramirez Vocational Training Centers | 559 554-9709 | Fresno | Fresno |
| Pacific American University | 213 674-7174 | Los Angeles | Los Angeles |
| Pacific College | 714 662-4402 | Costa Mesa | Orange |
| Pacific College of Health and Science | (619) 574-6909 | San Diego | San Diego |
| Pacific Empire College | Riverside | ||
| Pacific Empire College | 909 982-8641 | Upland | San Bernardino |
| Pacific States University | (323) 731-2383 | Los Angeles | Los Angeles |
| Pacific Theological Seminary | 858 703-1100 | San Diego | San Diego |