Now this is how you run a lottery pool. A loyal Long Island high-school teacher who won $1 million with a last-minute Powerball game for her office lottery pool not only shared her winnings — she split it with co-workers who hadn’t yet paid their dues.

Elmont Memorial HS science teacher Katheryn Bruchhauser, who runs the “Friends Winning Together” pool of 110 co-workers, said the stakes were too high to pass up on the Feb. 11 Powerball game worth $336 million — so she covered for them.

She bought 200 tickets at $2 a pop. The pool hit five numbers, but missed the Powerball number 11. That means they took home the second-place, $1 million prize.

Now, every single pool member is $5,000 richer.

Her good deed was a far cry from the New Jersey hard hat who is being sued by five former buddies for refusing to split a $77 million jackpot.

“It’s pretty terrible that he took those people’s money,” said school-security guard Ron Hale, who picked up the check yesterday.

“There’s a sign in the office that says, ‘Character is what you do when no one is watching.’ I feel so sorry for that man; he has to face his decision every day for the rest of his life,” Bruchhauser said.