High Schools in Addison, NY Addison Central School1 Colwell StAddison, NY, 1480160735922416073592244Addison Central SchoolHigh KnobHigh SchoolsPrivate Schools K 12Public SchoolsSchool Supply StoreSchoolsStar School ProgramTroy Elementary School Addison High SchoolCOLWELL StAddison, NY, 148016073592241High KnobHigh SchoolsPrivate Schools K 12Public SchoolsSchool Supply StoreStar School ProgramTroy Elementary School Show More