A Queens principal dubbed “Creepy Bill’’ could dodge sex-abuse charges — and potentially spend the rest of his days living on a cushy taxpayer-funded pension — if he just retires, according to his accusers.

Longtime Academy of American Studies Principal William Bassell, 67, who earned his derogatory moniker from weirded-out students, was set to begin his criminal trial last week.

Queens high-school Principal William Bassell has been accused of seamy sex-harassment allegations. Brigitte Stelzer

He has been accused criminally of sex abuse and forcible touching involving two female teachers — and of groping a teen student and also targeting female underlings for more than a decade, according to a pair of civil suits.

One suit accuses him of grabbing a teacher’s breast and bombarding her with more than 30,000 texts, some of which included graphic sexual content.

“You know what you can do with that tongue don’t you….,” the high-school principal allegedly wrote the educator — adding a tongue emoji.

Bassell,…