The Office of Licensing and Credentials of the NJ Department of Education is an excellent resource for individuals looking for answers in regard to questions of licensing.  

The following NJ Department of Education websites provides information regarding certification:

New Teacher Guidance: http://www.nj.gov/education/educators/newteacher/

Certification and Induction: http://www.state.nj.us/education/educators/license/

Professional Development:  http://www.nj.gov/education/profdev/