IANAL. New Jersey Stat. § 18A:3-30 says

"18A:3-30 Actions prohibited by institution of higher education.

2.No public or private institution of higher education in this State shall:

a.Require a student or applicant to provide or disclose any user name or password, or in any way provide access to, a personal account or service through an electronic communications device.

b.In any way inquire as to whether a student or applicant has an account or profile on a social networking website.

c.Prohibit a student or applicant from participating in activities sanctioned by the institution of higher education, or in any other way discriminate or retaliate against a student or applicant, as a result of the student or applicant refusing to provide or disclose any user name, password, or other means for accessing a personal account or service through an electronic communications device as provided in subsection a. of this section."