Dianne G. (Foster) Sitro, 74, died peacefully Saturday, Dec. 14, at Holy Family Hospital, Haverhill. Educated in the Haverhill school system, she graduated from Haverhill High School, class of 1963, and the University of Lowell in 1967 with a Bachelor of Arts degree in Education. She taught in the elementary and kindergarten classes in the Haverhill Public School System for a number of years before retiring to teach privately at home. Calling hours are Thursday, Dec. 19, from 4-7 p.m. at – H.L. Farmer and Sons Bradford Funeral Home, 210 S. Main St., Bradford. Her funeral service is Friday morning, Dec. 20, at 10, at the bradford funeral home. Burial is in Elmwood Cemetery, Bradford.