Small?school has been fostered, in part, by the Bill and Melinda Gates Foundation, which has invested $1.8 billion in American schools, helping?to?open?about 1,000 small?schools.

比尔和梅琳达·盖茨基金会在一定程度上促进了小型学校的发展，该基金会已为美国学校投资18亿美元，帮助开设了大约1000所小型学校。