You may be able to apply to the NYS retirement system as soon as you have subbed for 20 days. It is important for you to know, and follow through on this, so that you will end up in Tier 5. More information.
HLP's and Co-Teaching Tables
Implementing High Leverage Practices through Co-teaching in the Elementary Classroom:
Mentoring Student Teachers with Pinterest
Parent Math Resources- Middle and High School Math:
Tips for differentiating instruction
Professional Development Schools