Yes, NEWSROOMS is a Scrabble word!

Letter values in Scrabble US: N 1, E 1, W 4, S 1, R 1, O 1, O 1, M 3, S 1.

Is it a valid word?

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

the staff of a newspaper or the news department of a periodical
an office in which news is processed by a newspaper or news agency or television or radio station
a reading room (in a library or club) where newspapers and other periodicals can be read