In nursing, SN can stand for different things depending on the context. Here are some possible meanings:

• Staff Nurse: A type of registered nurse who has graduated from an accredited nursing program and passed the NCLEX-RN exam.html).
• Student Nurse: A nursing student who is preparing to become a registered nurse.
• School Nurse: A nurse who works in a school setting and provides healthcare services to students.
• Skilled Nursing: A type of nursing care that is provided by licensed nurses in a skilled nursing facility or at home.html).

Its important to note that SN is not a standardized abbreviation in nursing, and its meaning can vary depending on the source.