Yes, ULEMAS is a Scrabble word!

Letter values in Scrabble US: U 1, L 1, E 1, M 3, A 1, S 1.

Is it a valid word?

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

the body of Mullahs (Muslim scholars trained in Islam and Islamic law) who are the interpreters of Islam's sciences and doctrines and laws and the chief guarantors of continuity in the spiritual and intellectual history of the Islamic community