Yes, MIDRASHIM is a Scrabble word!

Letter values in Scrabble US: M 3, I 1, D 2, R 1, A 1, S 1, H 4, I 1, M 3.

Is it a valid word?

MIDRASHIM is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

(Judaism) an ancient commentary on part of the Hebrew scriptures that is based on Jewish methods of interpretation and attached to the biblical text