CREATE TABLE table_2548 ("High School" TEXT, "Type" TEXT, "Established" FLOAT, "Enrollment" FLOAT, "Mascot" TEXT, "WIAA Classification" TEXT)

What wiaa classifications does vancouver itech prepratory have?
SELECT "WIAA Classification" FROM table_2548 WHERE "High School" = 'Vancouver iTech Prepratory'
SELECT "WIAA Classification" FROM "table_2548" WHERE "High School" = 'Vancouver iTech Prepratory'