Question

what action by the school did tlo claim had been illegal?

searching her belongings without a warrant
calling the police on her without notifying her parents
questioning her without a lawyer present

Explanation:

Identify the constitutional issue in the case

Using the New Jersey v. T.L.O. knowledge point
The landmark Supreme Court case New Jersey v. T.L.O. (1985) centered on the Fourth Amendment's prohibition against unreasonable searches and seizures within a public school setting.

Analyze T.L.O.'s specific legal claim

Using the New Jersey v. T.L.O. and Fourth Amendment Rights knowledge points
T.L.O. argued that the assistant vice principal's search of her purse for cigarettes, which subsequently uncovered marijuana and drug paraphernalia, violated her Fourth Amendment rights because it was conducted without a warrant and lacked probable cause.

Answer:

• searching her belongings without a warrant (Correct answer)
• calling the police on her without notifying her parents
• questioning her without a lawyer present