Matt Carter, a teacher at Orca K-8 School in Seattle, has joined in the boycott because he thinks the MAP exam wastes his student's time and does not help guide his teaching.

WSJ: Seattle Teachers Protest Exams

The kit includes the DVD of "Trevor" and a classroom teaching guide.

CNN: 24-hour help for gay youth

And what my series are - it's like a premier, a teaching guide, how to find your roots, how to find your heritage.

NPR: Scholar Helps Black Americans Trace Family Roots

Perhaps no profession has taken the implications of the quarterback problem more seriously than the financial-advice field, and the experience of financial advisers is a useful guide to what could happen in teaching as well.

NEWYORKER: Most Likely to Succeed

"I heard a loud explosion, louder than thunder, " said Mr. Mabao as he prepared to leave the Bicol Regional Training and Teaching Hospital, where he and fellow guide Kenneth Jesalva were treated for burns and other injuries.

WSJ: Guides Recall Escape From Philippine Volcano

If the Prosperous Suburbia Primary School has 60% of pupils receiving private tuition while the Deprived Inner City Primary has none, then how much of a guide are the league tables to the relative quality of teaching at these two schools?

BBC: The dilemma of private tuition

And if lessons learned from addressing equally complex challenges in other sectors are any guide, investing in a reliable system to measure and support effective teaching will pay rich dividends.

CNN: Bill Gates: Invest in better teaching