Home Language Survey  (Translated Copies):

https://www.maine.gov/doe/learning/englishlearners/policy/survey

Free and Reduced Price School Meals (Translated Applications):

https://www.fns.usda.gov/school-meals/translated-applications

"I Speak" Sheet (to help identify the primary language of non-English speakers): 

https://fns-prod.azureedge.net/sites/default/files/cnd/Ispeak.pdf

Fact Sheet from the U.S. Departments of Justice and Education with details about acceptable documentation requests from schools for student enrollment:

https://www2.ed.gov/about/offices/list/ocr/docs/dcl-factsheet-201405.pdf