CREATE TABLE table_13448 ("School" CLOB, "Location" CLOB, "Mascot" CLOB, "Enrollment" FLOAT, "IHSAA Class" CLOB, "County" CLOB, "Year Joined" FLOAT)

When did crawfordsville join?
SELECT MAX("Year Joined") FROM table_13448 WHERE "Location" = 'crawfordsville'
SELECT MAX("Year Joined") FROM "table_13448" WHERE "Location" = 'crawfordsville'