CREATE TABLE table_13618 ("School" TEXT, "Location" TEXT, "Mascot" TEXT, "Enrollment" FLOAT, "IHSAA Class" TEXT, "# / County" TEXT)

What is the IHSAA class for Muncie Burris?
SELECT "IHSAA Class" FROM table_13618 WHERE "School" = 'muncie burris'
SELECT "IHSAA Class" FROM "table_13618" WHERE "School" = 'muncie burris'