You can find additional information about elementary mathematics specialists and departmentalization by following the links below (links will open in a new tab).

Websites

Elementary Math Specialist and Teacher Leaders Project website
Scholarship Program for EMS students (AMTE)
The Elementary Mathematics Specialist Handbook (NCTM)
'Platooning' on the Rise in Early Grades (Ed Week)
Elementary Mathematics Specialists: Developing, Refining, and Examining Programs That Support Mathematics Teaching and Learning (AMTE)
We Need Elementary School Mathematics Specialists NOW(NCTM)

Papers

Annotated Bibliography (.pdf)
NCTM Position paper on EMS
AMTE Standards for the preparation of elementary mathematics specialists (.pdf)

EMS Preparation Programs

University of Missouri EMS Program
Elementary Mathematics Specialists and Teacher Leaders Progject: Graduate Programs List