Study: Charter school students may be more likely to graduate, go to college

Martha Woodall:

Charter schools generally cannot take credit for boosting test scores, but there is intriguing evidence that students at charter high schools may be more likely to graduate and attend college, a national study concludes.

The Rand Corp. study, which was released Wednesday, examined charters in eight states. Rand, a nonprofit research organization in Santa Monica, Calif., also examined charters in Chicago, San Diego, Denver, Milwaukee, Pennsylvania, Ohio, Texas and Florida.

A year ago, a Rand report on charter schools in Philadelphia found that their students performed about the same as students in district-run schools.

Charter school research has become politically charged, with dueling views. Some reports have concluded that students at the nation's 4,100 charter schools outperform their counterparts in traditional public schools. Other investigators have said charter students do no better than public school students and often do worse.

Researchers involved with the Rand report said they had used performance data of individual students over time to try to evaluate charter schools more accurately. Their work received financial support from several nonprofit foundations, including the Bill and Melinda Gates Foundation and the William Penn Foundation. Bill Gates supports charter schools, and the Gates Foundation has provided millions of dollars to help successful ones expand.

Ron Zimmer, Brian Gill, Kevin Booker, Stephane Lavertu, Tim R. Sass, John Witte:

The first U.S. charter school opened in 1992, and the scale of the charter movement has since grown to 4,000 schools and more than a million students in 40 states plus the District of Columbia. With this growth has also come a contentious debate about the effects of the schools on their own students and on students in nearby traditional public schools (TPSs). In recent years, research has begun to inform this debate, but many of the key outcomes have not been adequately examined, or have been examined in only a few states. Do the conflicting conclusions of different studies reflect real differences in effects driven by variation in charter laws and policies? Or do they reflect differences in research approaches -- some of which may be biased? This book examines four primary research questions: (1) What are the characteristics of students transferring to charter schools? (2) What effect do charter schools have on test-score gains for students who transfer between TPSs and charter schools? (3) What is the effect of attending a charter high school on the probability of graduating and of entering college? (4) What effect does the introduction of charter schools have on test scores of students in nearby TPSs?

Posted by Jim Zellmer at March 20, 2009 6:44 AM
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