CREATE TABLE table_14342210_13 (class VARCHAR2, prior_experience VARCHAR2)

How many entries are there for class when the prior experience is shasta h.s.
SELECT COUNT(class) FROM table_14342210_13 WHERE prior_experience = "Shasta H.S."
SELECT COUNT("class") FROM "table_14342210_13" WHERE "Shasta H.S." = "prior_experience"