This can only tell them how good a teacher is at raising or lowering a student's performance on standardized tests.

NPR: 'L.A. Times' Series Examines Teacher Ratings

An afterschool program, for example, can rack up good points for keeping down costs and improving student performance on standardized tests.

FORBES: The Matchmaker

Membership is restricted to the top two percent as measured by performance on standardized intelligence tests.

FORBES: Finding the Unfound

In Worldreader's first test, funded by the U.S. Agency for International Development at six schools in Ghana starting in 2010, the group found that primary-school students who got Kindles increased their performance on standardized reading tests from about 13% to 16%.

WSJ: Worldreader: An E-Book Revolution for Africa?