NEW YORK (AP) — A coalition advocating for Native American people impacted by an oppressive system of boarding schools for Native youths plans to digitize 20,000 archival pages related to schools in that system that were operated by the Quakers.

The Quakers and other faith groups — including Episcopalians, Methodists and Catholics — have in recent years either begun or increased efforts to research and atone for their prior roles in the boarding school system that Native children were forced to attend, and that cut them off from their families, tribes and traditions.

For decades, documents rel...