CREATE TABLE table_66125 ("School" TEXT, "Location" TEXT, "Mascot" TEXT, "Enrollment" FLOAT, "IHSAA Class" TEXT, "County" TEXT, "Primary Conference" TEXT)

Which IHSAA Class is located in charlottesville?
SELECT "IHSAA Class" FROM table_66125 WHERE "Location" = 'charlottesville'
SELECT "IHSAA Class" FROM "table_66125" WHERE "Location" = 'charlottesville'