The majority of Chicago Public Schools students in 3rd-8th grade are taking the ISAT test this week, though parent groups who oppose the test say the number of students who have opted out of thetest continues to rise. Elizabeth Brackett reports.

Watch a web extra video interview with Sarah Chambers, a teacher at Saucedo Scholastic Academy, who planned to boycott the ISATs.

Related Links:

Chicago Sun-Times article on Teachers who boycott ISAT allowed to remain in classrooms

Chicago Tribune article on Kids caught in tug of war over ISAT

Chicago Sun-Times article on Chicago parent group takes ISAT protest to state Board of Ed

Chicago Tonight: Some CPS Teachers Boycotting ISAT