Joining a professional organization is a great way to demonstrate to an
employer that you are professionally savvy. Most organizations publish on-line
or printed newsletters, hold conferences, provide up-to-date professional
information through e-mail lists, job boards, etc. Being a part of a
professional organization can make you more marketable and knowledgeable as well
as create more networking opportunities.
Here are a couple websites to begin researching.
American Psychological Association
Council for Exceptional Children