Neither the academy nor police provided details on the alleged misconduct.
The House Ethics Committee voted earlier this month to release its report on former Rep. Matt Gaetz, and is expected to release it before the holidays, sources say.
"The school districts (should) let us know what's going on," a Fort Bend ISD student's guardian said. ABC13 is still waiting for a response from the district.
The district said the Quail Valley Elementary School staff member is under investigation and has since resigned.
Humble ISD said the former athletic director, who is denying the allegations, submitted his retirement the day before the school board was set to decide his future with the district.
The small community in Montgomery County is home to just 1,600 people, where a chunk of its 13-person police department was fired or resigned after being accused of some kind of improper behavior.