This dataset includes 500 private schools that are currently regulated by the Washington State Office of Superintendent of Public Instruction (OSPI). Each school is registered with school ID, school name, location, enrollment, Free/Reduced Price Lunch Percentages, Achievement Index, etc.
| School Name | Address | District |
|---|---|---|
| Montessori School of Yakima | 511 N 44th Ave, Yakima, WA 98908-2608 | Yakima |
| Montessori Schools of Snohomish Co. | 1804 Puget Dr, Everett, WA 98203-6600 | Everett |
| Morningside Academy | 901 Lenora St, Seattle, WA 98121-2714 | Seattle |
| Moses Lake Christian Academy | 1475 Nelson Road Ne, Moses Lake, WA 98837-1400 | Moses Lake |
| Mount Vernon Christian School | 820 W Blackburn Rd, Mount Vernon, WA 98273-9596 | Mount Vernon |
| Mountain View Christian School | 255 Medsker Rd, Sequim, WA 98382-8516 | Sequim |
| Mt. Olive Lutheran School | 206 E Wyandotte, Shelton, WA 98584-3610 | Shelton |
| Mt. Rainier Lutheran High School | 12108 Pacific Ave S, Tacoma, WA 98444-5125 | Tacoma |
| Mukilteo Academy | 12972 Beverly Park Rd, Mukilteo, WA 98275 | Mukilteo |
| New Horizon School | 1111 S Carr Rd, Renton, WA 98055-5839 | Renton |
| New Life Christian School | 911 E Division, Ephrata, WA 98823-1965 | Ephrata |
| Newport Children's School | 12930 Se Newport Way, Bellevue, WA 98006-2078 | Bellevue |
| Nile Christian School/Hope Academy | 370 Flying H Loop, Naches, WA 98937-9440 | Naches Valley |
| North Bend Montessori Inc | 248 Ballarat Ave N, North Bend, WA 98045 | Snoqualimie Valley |
| North Country Christian School | 737 Mary Ann Creek Rd, Oroville, WA 98844-9643 | Oroville |
| North Seattle French School | 6615 Dayton Ave N, Seattle, WA 98103-5215 | Seattle |
| North Wall Elementary | 9408 N Wall St, Spokane, WA 99218-2245 | Mead |
| North Whidbey Christian High | 675 E Whidbey Ave, Oak Harbor, WA 98277-5901 | Oak Harbor |
| North Whidbey Kids' Academy | 297 Ne Harvest Dr., Oak Harbor, WA 98277-5909 | Oak Harbor |
| Northern Lights Montessori School | 8460 160th Ave Ne, Redmond, WA 98052-3855 | Lake Washington |
| Northern Lights Montessori School–2nd Location | 14615 Ne 91st St, Redmond, WA 98052 | Lake Washington |
| Northshore Christian Academy | 5700 23rd Dr W, Everett, WA 98203-1570 | Mukilteo |
| Northwest Achieve Schools | 116 W Indiana Ave, Spokane, WA 99205-4827 | Spokane |
| Northwest Christian High School | 4710 Park Center Ave Ne, Lacey, WA 98516-5587 | North Thurston |
| Northwest Christian School | 5028 E Bernhill Rd, Colbert, WA 99005-9557 | Mead |
| Northwest Christian School | 5104 E Bernhill Rd, Colbert, WA 99005-9005 | Mead |
| Northwest Christian School | 904 Shaw Rd, Puyallup, WA 98372-5211 | Puyallup |
| Northwest Free School | 1427 Queen Ave Ne, Renton, WA 98056-3340 | Renton |
| Northwest Liberty School | 13120 Ne 177th Pl A-104, Woodinville, WA 98072-5725 | Northshore |
| Northwest Montessori | 4910 Phinney Ave N, Seattle, WA 98103-6347 | Seattle |
| Northwest School | 1415 Summit Ave, Seattle, WA 98122-3619 | Seattle |
| Northwest School for Deaf and Hard-of-Hearing Children | 15303 Westminster Way N, Shoreline, WA 98133-6126 | Shoreline |
| Northwest Yeshiva High School | 5017 90th Ave Se, Mercer Island, WA 98040-4709 | Mercer Island |
| Nova School | 2020 22nd Ave Se, Olympia, WA 98501-3102 | Olympia |
| Oak Harbor Christian School | 675 E Whidbey Ave, Oak Harbor, WA 98277-2596 | Oak Harbor |
| Oakridge Ranch - Montessori Farm School | 11002 Orchard Ave, Yakima, WA 98908-9102 | West Valley (Yakima) |
| O'Dea High School | 802 Terry Ave, Seattle, WA 98104-1294 | Seattle |
| Olympia Christian School | 1215 Ethel St Nw, Olympia, WA 98502 | Olympia |
| Olympia Community School | 1601 North St Se, Olympia, WA 98501-3666 | Olympia |
| Olympia Waldorf School | 8126 Normandy St Se, Olympia, WA 98501-9623 | Tumwater |
| Olympic Christian School | 43 O'brien Rd, Port Angeles, WA 98362-9225 | Port Angeles |
| Omak Adventist Christian School | 425 W 2nd Ave, Omak, WA 98841- | Omak |
| Open Window School | 6128 168th Place Se, Bellevue, WA 98006-5679 | Bellevue |
| Orcas Christian School | 107 Enchanted Forest Rd, Eastsound, WA 98245-8905 | Orcas Island |
| Our Lady of Fatima School | 3301 W Dravus St, Seattle, WA 98199-2624 | Seattle |
| Our Lady of Guadalupe School | 3401 Sw Myrtle St, Seattle, WA 98126-3399 | Seattle |
| Our Lady of Lourdes School | 4701 Nw Franklin St, Vancouver, WA 98663-1798 | Vancouver |
| Our Lady Of The Lake School | 3520 Ne 89th St, Seattle, WA 98115-3648 | Seattle |
| Our Lady Star of the Sea School | 1516 5th St, Bremerton, WA 98337-1216 | Bremerton |
| Overcomer Academy | 33415 Military Rd S, Auburn, WA 98001-9603 | Federal Way |