Ysidoro Rosales Motola is charged with two counts of indecency with a child and one count of improper relationship with a student.
All three alleged incidents happened at the school and involved male students. Rosales Motola was tracked down and arrested at a motel on Friday.
Sharpstown principal Rob Gasparello and two other administrators at the school are also charged in the case, allegedly for failing to report the alleged abuse.
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