FERPA clarification

If a substitute teacher finds out a student has been targeted by their teacher and said teacher also makes multiple sexual comments to her, can the substitute get a written statement from the pupil? To follow up, if said school has multiple issues of usually overlooking these issues and never investigating; is it against FERPA laws for that substitute to share their findings with their spouse if he/she has more knowledge on who to contact? Then the spouse contacts the correct officials themselves. (Spouse is not involved with the school district)