Schools in Sedro Woolley, WA Cascade Middle School1235 3rd StSedro Woolley, WA, 982843608553510Middle Schools Cascade Middle School201 N Township StSedro Woolley, WA, 982843608553520Middle Schools Independence High School121 Alder DrSedro Woolley, WA, 982843605952630High Schools Sedro Woolley High School1235 3rd StSedro Woolley, WA, 982843608553510High Schools State Street High School800 State StSedro Woolley, WA, 982843608553550High Schools Show MoreSee AlsoHigh SchoolsMiddle Schools