restricted class

16 LETTERS · STARTS WITH R

restricted class is a valid 16-letter word worth 20 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1E1S1T1R1I1C3T1E1D2C3L1A1S1S1

1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does restricted class mean?