Yes, for public school systems, they typically are Registered Nurses. Some school districts may allow Licensed Practical Nurses (LPNs) or Licensed Vocations Nurses (LVNs) to be a school nurse.
There are three options to become a registered nurse as follows. diploma program (typically three years, not recommended for individuals who do not have an already existing degree) associate degree...
This will often depend upon the Nursing authority or Board of Nursing in your area but as a whole - registered nurses are allowed to work on their own depending upon the duties preformed whereas...
It may be simpler and more cost effective to finish the VN program and then complete a bridge program while you're working. Identify the local RN program options, and talk to their admissions...