Thomas Indian School, also known as the Thomas Asylum of Orphan and Destitute Indian Children, is a historic school and national historic district located near Irving at the Cattaraugus Indian Reservation in Erie County, New York.

The institution was first established in 1855 by missionaries Asher Wright and his wife Laura Wright to house the orphaned and kidnapped Seneca children of the reservation under the federal policy of forced assimilation.

[2] The complex was built in about 1900 by New York State as a self-supporting campus.

Designed by the New York City firm Barney and Chapman, the campus contains the red brick Georgian Revival style main buildings and a multitude of farm and vocational buildings.

Examples include: the film Unseen Tears: A Documentary on Boarding School Survivors,[4] Ronald James Douglas' graduate thesis titled Documenting ethnic cleansing in North America: Creating Unseen Tears,[5] and the Legacy of Hope Foundation's online media collection: "Where are the Children?