INTERSCHOOL Scrabble 16 Words With Friends 18 Scrabble letter values: I1N1T1E1R1S1C3H4O1O1L1 = 16 Definition adjective used of competition or cooperation between secondary schools. — synonyms: interscholastic See all 1172 words you can make from INTERSCHOOL → 11-letter words Words starting with I Words ending with L ← Unscramble different letters