A teacher, Justin Marks, is jailed after pleading guilty to sexually assaulting a student and grooming her over several weeks. Multiple outlets report that the abuse involved repeated sexual assault and grooming conducted over roughly six weeks. The reporting also states the grooming occurred through an extensive volume of messages, cited as about 14,000 messages, sent during that period. According to the accounts, the case comes to light after a bus driver catches Marks in the act of abusing the student, leading to further action by authorities. Marks enters a guilty plea, with coverage describing the charges as including repeated sexual assault and grooming. The articles do not provide further public detail about trial findings beyond the guilty plea, and they focus on the circumstances that prompted the intervention as well as the length and nature of the communications involved. Sentencing details are not included in the provided excerpts, but the overall reporting is consistent on the central facts: the teacher’s guilty plea, the student abuse and grooming over six weeks, the large number of messages, and the bus driver’s role in stopping the incident.