District School No. 3

District School No. 3 can refer to the following:


 * District School No. 3 (Rockfield, Indiana), listed on the NRHP in Indiana
 * District School No. 3 (Chaumont, New York), listed on the NRHP in New York
 * District School No. 3 (Castleton-on-Hudson, New York), listed on the NRHP in New York