CANTON – Canton’s Williams High School is host to the St. Lawrence-Lewis BOCES regional summer school graduation ceremony Thursday.

About 20 students from six schools, including Canton, are expected to attend ceremonies and pick up their diplomas starting at 7 p.m. in the school auditorium.

Canton Central was one of four districts in the BOCES area to host summer school remedial and enrichment courses during a six-week session for 180 students from 10 schools. They also administered Regents exams.