A Pennsylvania lawsuit has lawmakers looking closer at how schools should respond to reports of sexual abuse. A former North Penn School District student is suing a suburban Philadelphia school for failing to protect her from a male classmate who she says sexually assaulted her over 20 times between elementary school and high school during recess, in the classroom, on stairways, in the library and in the lunchroom. The student, using the name Jane Doe, said that a teacher and teacher’s aide witnessed one of the assaults but did nothing to protect her. The school, in court papers, specifically denies that the teacher’s aide saw anything at all, and it disputes Doe’s version of what the teacher saw. Doe’s parents spoke with the school about keeping the male student away from her, and later sent her to another school in the district. But the two students ended up at the …