Sikkink, David and Sara Skiles. "Making the Transition: The Effect of School Sector on Extended Adolescence." Cardus, 2018. https://www.cardus.ca/research/education/research-report/making-the-transition-the-effect-of-school-sector-on-extended-adolescence/
Looking at several large social surveys in the U.S., this paper finds that religious school isn’t a bulwark against extended adolescence. However, American religious school grads do follow some different patterns going into adulthood when compared to their public school counterparts.
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