CREATE TABLE table_12032893_1 (height VARCHAR, position VARCHAR, high_school VARCHAR)

What height was the forward position at Crockett High School?
SELECT height FROM table_12032893_1 WHERE position = "Forward" AND high_school = "Crockett"
SELECT "height" FROM "table_12032893_1" WHERE "Crockett" = "high_school" AND "Forward" = "position"