Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_14342210_13 (class VARCHAR, prior_experience VARCHAR)
### Question:
How many entries are there for class when the prior experience is shasta h.s.
### Answer:
SELECT COUNT(class) FROM table_14342210_13 WHERE prior_experience = "Shasta H.S."