An after-school basketball coach allegedly sexually abused two 8-year-old female students at an Upper West Side private school, according to an indictment filed by the Manhattan District Attorney's office yesterday.

Channing Parker, 22, is accused of assaulting the two girls earlier this month. The DA's office says that on March 10th, Parker, who worked at the Ideal School on West 91st Street, took the 8-year-old victim into a single-occupancy bathroom at the school and forced her to perform oral sex on him.

The child reported the alleged attack to her mother, who reported it to the school, and Parker was arrested. When the school told parents about the incident, another 8-year-old girl reported that Parker had also attacked her in that same bathroom.

"As demonstrated by the allegations in this case, sexual predators are often repeat offenders," District Attorney Cyrus Vance said in a statement. "Just one day after Channing Parker’s arrest, another victim came forward. We want to make sure that any other potential victims are promptly identified and matched with the resources and help they need so that they do not bear this burden alone."

Parker had been employed by nonprofit after-school group Kids Creative since January 2015, and began working as a basketball coach after school at the Ideal School since this past November. Kids Creative says he has since been fired. "Kids Creative has terminated the employee for violating our rules and procedures and we are cooperating fully with law enforcement," the organization said in a statement.

Ideal School told the Times: "We are deeply disturbed that any students from our school were mistreated by an employee of the Kids Creative after-school program, and we will continue to fully support any of our families involved in this incident."

Parker has been charged with predatory sexual assault against a child, a criminal sexual act in the first degree, two counts of sexual abuse in the first degree, and endangering the welfare of a child. His bail was set at $200k at his arraignment yesterday.

The DA's office is asking parents of any other children who may have been attacked by Parker to contact the office's Child Abuse Unit at (212) 335-4308.