Two Queens teachers were busted for having sex with minors in two separate incidents, authorities said today.

Simon Watts, 38, a fourth-grade teacher at PS 15 in Springfield Garden, was charged with first-degree of sex abuse and endangering the welfare of a minor.

Police said Watts fondled five kids — ages 8 to 10 — inside his classroom dating back to September 2007 until last month.

Another teacher, Christine Williams, 41, who teaches fifth grade at PS 80 in Jamaica, was arrested for having sex twice with a 15-year-old boy.

The teen was identified as a family friend of Williams’.

She was charged with third-degree rape and endangering the welfare of the minor.