Yes, LAGERS is a Scrabble word!

Letter values in Scrabble US: L 1, A 1, G 2, E 1, R 1, S 1.

Is it a valid word?

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

a camp defended by a circular formation of wagons
a general term for beer made with bottom fermenting yeast (usually by decoction mashing); originally it was brewed in March or April and matured until September

Also: lager beer.