Geplaatst:12 okt 2007 13:07 - Gewijzigd: 12 okt 2007 13:07

„Private-school advantage went away”

WASHINGTON - Low-income students who attend urban public high schools generally do just as well as private-school students with similar backgrounds, according to a study being released Wednesday.

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Students at independent private schools and most parochial schools scored the same on 12th-grade achievement tests in core academic subjects as those in traditional public high schools when income and other family characteristics were taken into account, according to the study by the nonpartisan Center on Education Policy.

While the finding is in line with a handful of recent studies, it’s at odds with a larger body of research over the years that has found private-school students outperform those in public schools. Some of that research found a private-school advantage even when income levels are taken into account.

However, the new study not only compared students by income levels but also looked at a range of other family characteristics, such as whether a parent participates in school life. „When these were taken into account, the private-school advantage went away”, the report states.

The study looked at 1,000 low-income students from cities who are part of a nationally representative sample of kids surveyed over a period of years, along with parents and teachers, as part of a federal research effort.

In trying to determine whether the type of high school attended by a student made a difference academically, the new study tried to separate out the effects of income; earlier eighth-grade test scores; parental expectations; whether parents discuss school with their children and whether parents participate in school activities.

When all these factors were accounted for, the only kind of private schools that had a positive impact on student achievement were Catholic schools run by holy orders such as the Jesuits. Such schools have more autonomy from the church than most Catholic schools, which are typically run by a diocese and are overseen by a superintendent in the local bishop’s office.

The study’s lead researcher, Harold Wenglinsky of Columbia University, said it would be useful to study the holy order schools to see what’s behind their success. The researchers found:

-In reading, family income, parental discussion, parental expectations, parental involvement and eighth-grade scores all positively affected 12th-grade reading scores. Scores weren’t affected by the type of school a student attended unless it was a Catholic order school.

-In math, parental discussions and involvement had no effect on achievement scores. Parental expectations and family income did have an impact. Prior eighth-grade test scores were heavily correlated to achievement on the 12th-grade test. Again, attending a Catholic religious order school had a positive effect on the math scores.

-In science, income affected test scores but the other family characteristics did not. Prior test scores had the strongest impact. None of the school types had an edge over public high schools in boosting scores.

-In history, parental expectations and parental discussion had an impact on scores, as did achievement on eighth-grade tests. The only kind of school that had a positive impact on scores was a Catholic religious order school.

The students in the study were all poor and fit the demographics of those who would be eligible for the kind of private-school voucher programs or other school-choice initiatives generally favored by conservatives.

However, what the study shows is that family involvement matters more than whether a student goes to public or private school, said Jack Jennings, the center’s president. „People commonly believe private schools are just inherently better”, Jennings said. „We’re forgetting that families are key to how well kids do. Maybe we ought to start to spend more time on families.”

Advocates for encouraging more parental participation in schools say policy makers could boost funding for translators at schools in immigrant communities and could provide tutoring for adults who want to keep up with their kids’ studies.

The new study did find that students at independent private schools, not the religiously affiliated schools, got higher SAT scores than public-school students.

Private-school students are more likely than those in public schools to get into elite colleges because of these higher SAT scores. However, private-school students are no more likely to attend college generally than their public-school counterparts, the study found.

Those who attended private high schools also are no more likely to report more job satisfaction in their mid-twenties than people who went to public schools, according to the study. There also appears to be no higher incidence of civic engagement. (AP)