Henry C. Lassiter of Wilson was a member of the B Class in Howard University’s Normal School in 1889-90.
As the catalog below noted, Classes A and B were designed to bring students up to readiness to for entry into the Normal or Preparatory schools.
Howard University Catalog of Officers and Students from March 1889 to March 1890, U.S. School Catalogs, 1765-1935 [database on-line], http://www.ancestry.com.