(2013 grade in parentheses) Decrease from 2013 Unchanged from 2013 Improved from 2013 Belle Isle Enterprise Middle School: A+ (A+) Classen High School of Advanced Studies: A+ (A+) Classen Middle School of Advanced Studies: A+ (A) Southeast High School: A (A) Cleveland Elementary School: B (B+) U.S. Grant High School: B (B+) Northeast High School: B- (C) Northwest Classen High School: B- (C) Wilson Elementary School: B- (A-) Westwood Elementary School: B- (C+) Horace Mann Elementary School: C+ (C) Nichols Hills Elementary School: C+ (B-) Pierce Elementary School: C+ (B-) Capitol Hill High School: C (D+) Columbus Elementary School (now Jackson Enterprise Elementary School): C (B-) Putnam Heights Elementary School: C (F) Quail Creek Elementary School: C (C+) Ridgeview Elementary School: C (C) West Nichols Hills Elementary School: C (B-) Buchanan Elementary School: C- (B-) Johnson Elementary School: C- (C) Thelma R.