Cedar River Middle School 22615 Sweeney Rd Se Maple Valley, WA 98038 Phone : (425) 413-5400 Business Category Schools Schools-Elementary Schools-Junior High Schools-Public Tahoma School District No 409 22615 Sweeney Rd Se Maple Valley, WA 98038 Phone : (425) 413-5400 Business Category Schools Schools & Educational Services Misc. Government Offices & Public Schools