WASHINGTON (AP) - District of Columbia school officials say 98 teachers have been fired after receiving low scores on a key evaluation instrument.

Continue reading

The Washington Post reports the teachers were dismissed this week.

They account for less than 3 percent of the school system's 4,100 teachers.

The teachers did not perform well on the IMPACT evaluation, which links teacher pay and job security with classroom performance and student achievement.

The evaluation system has drawn criticism from union leaders and many teachers who consider it rigid and overly dependent on test scores.

Washington Teachers' Union President Nathan Saunders says IMPACT is flawed but has been improved through recent revisions.

The D.C. Public Schools system has dismissed nearly 400 teachers since 2009 due to poor performance.