Maryland Code, Education § 7-412

(a) If a student seeks information to overcome any form of drug abuse, as defined in § 8-101 of the Health--General Article, from a teacher, counselor, principal, or other professional educator employed by an educational institution that has received a certificate of approval under § 2-206 of this article, a statement, whether oral or written, made by the student or an observation or conclusion derived from the statement is not admissible against the student in any proceeding.

(b) A rule, regulation, or order may not require disclosure of any report, statement, observation, conclusion, or other information that has been assembled or obtained by an educator through this contact.