CREATE TABLE table_64244 ("School" TEXT, "Location" TEXT, "Mascot" TEXT, "Enrollment" FLOAT, "IHSAA Class" TEXT, "County" TEXT, "Year Joined" FLOAT, "Previous Conference" TEXT)

Name the IHSAA Class of 55 morgan and a School of mooresville?
SELECT "IHSAA Class" FROM table_64244 WHERE "County" = '55 morgan' AND "School" = 'mooresville'
SELECT "IHSAA Class" FROM "table_64244" WHERE "County" = '55 morgan' AND "School" = 'mooresville'