Provides that, in order to meet state requirements and earn a certificate of academic achievement, a student must meet or exceed either the proficient or basic level on the high school Washington assessment of student learning as follows: (1) Beginning with the graduating class of 2008 and until July 31, 2010, the student must meet or exceed the proficient level in two and meet or exceed the basic level in one of the reading, writing, and mathematics content areas on the high school Washington assessment of student learning or an approved alternative assessment;

(2) Beginning August 1, 2010, and until July 31, 2012, the student must meet or exceed the proficient level in all three content areas of reading, writing, and mathematics on the high school Washington assessment of student learning or an approved alternative assessment; and

(3) Beginning August 1, 2012, and thereafter, a student must meet or exceed the proficient level in all four content areas of reading, writing, mathematics, and science on the high school Washington assessment of student learning or an approved alternative assessment.