Yes, ENTRIES is a Scrabble word!

Letter values in Scrabble US: E 1, N 1, T 1, R 1, I 1, E 1, S 1.

Is it a valid word?

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

an item inserted in a written record
the act of beginning something new
a written record of a commercial transaction
something (manuscripts or architectural plans and models or estimates or works of art of all genres etc.) submitted for the judgment of others (as in a competition)
something that provides access (to get in or get out)
the act of entering

Also: first appearance, accounting entry, ledger entry.