As of August 30, 2026, Core Plus Construction is accessed in 33 counties, 100+ school districts, and 13 Skill Centers (purple data points)
| County | School District |
| Asotin | Clarkston School District |
| Chelan | Wenatchee Valley Technical Skills Center |
| Chelan School District | |
| Clallam | Cape Flattery School District |
| Port Angeles School District | |
| Sequim School District | |
| Clark | Evergreen Public Schools |
| Hockinson School District | |
| La Center School District | |
| Vancouver Public Schools | |
| Cowlitz | Castle Rock School District |
| Kalama School District | |
| Woodland School District | |
| Douglas | Eastmont School District |
| Ferry | Inchelium School District |
| Franklin | Pasco School District |
| Grant | Moses Lake School District, Columbia Basin Tech Skills Center |
| Quincy School District | |
| Wahluke School District | |
| Grays Harbor | Aberdeen School District |
| Hoquiam School District | |
| North Beach School District | |
| Oakville School District | |
| Ocosta School District | |
| Wishkah Valley School District | |
| Island | Coupville School District |
| Oak Harbor School District | |
| Jefferson | Chimacum School District 49 |
| King | WANIC Skills Center |
| Seattle Public Schools, Seattle Skills Center | |
| Auburn School District | |
| Bellevue School District | |
| Federal Way Public Schools | |
| Highline Public Schools | |
| Issaquah School District | |
| Kent School District | |
| Ridgefield School District | |
| Tukwila School District | |
| Renton School District | |
| Kitsap | West Sound Tech Skills Center |
| Bainbridge Island School District | |
| South Kitsap School District | |
| Kittas | Cle-Elum-Roslyn |
| Easton School District | |
| Ellensburg School District | |
| Klickitat | Goldendale School District |
| Selah School District | |
| Thorp School District | |
| White Salmon Valley | |
| Wishram School District | |
| Lewis | Adna School District |
| Chehalis School District | |
| Onalaska School District | |
| Lincoln | Davenport Community School District |
| Harrington School District | |
| Reardan-Edwall School District | |
| Wilbur School District | |
| Mason | Mary M. Knight School District 311 |
| Okanogan | Grand Coulee Dam School District |
| Methow Valley School District | |
| Okanogan School District | |
| Riverside School District | |
| Pacific | Ocean Beach School District |
| Raymond School District | |
| South Bend School District | |
| Willapa Valley School District | |
| Pend Oreille | Cusick School District #59 |
| Newport School District | |
| Pierce | Pierce County Skills Center |
| Cascade Christian School | |
| Clover Park School District | |
| Eatonville School District | |
| Franklin Pierce School District | |
| Muckleshoot Tribal School | |
| Peninsula School District | |
| Puyallup School District | |
| Tacoma Public Schools | |
| White River | |
| Skagit | Northwest Career and Technical Academy Skills Center |
| Concrete School District | |
| Sedro Woolley School District | |
| Skamania | Stevenson-Carson School District |
| Snohomish | Sno-Isle Skills Center |
| Darrington School District | |
| Edmonds School District | |
| Granite Falls School District | |
| Lakewood School District | |
| Marysville School District 25 | |
| Monroe School District | |
| Northshore School District | |
| Snohomish School District | |
| Spokane | Spokane Public Schools, New Tech Skills Center |
| Central Valley School District | |
| Cheney School District | |
| East Valley School District #361 | |
| Freeman School District | |
| Harrington School District | |
| Innovation | |
| Mead School District | |
| Selkirk School District | |
| West Valley School District | |
| Stevens | Columbia School District |
| Colville School District | |
| Northport School District | |
| Wellpinit School District | |
| Thurston | Tumwater School District, New Market Skills Center |
| North Thurston Public Schools | |
| Olympia School District | |
| Yelm Community Schools | |
| Walla Walla | SeaTech Skills Center |
| Whatcom | Bellingham Public Schools |
| Blaine School District | |
| Ferndale School District | |
| Whitman | Palouse School District |
| Pullman School District | |
| Yakima | YV Tech |
| Grand View School District | |
| Granger School District | |
| Mount Adams School District | |
| Toppenish School District | |
| Wapato School District | |
| West Valley School District | |
| White Pass School District |
