The Early Childhood Service Intensity Instrument (ECSII) was developed to provide a structured tool to help providers and clinicians from multiple agencies serving children from ages 0-5 to assess what intensity of services are needed and to develop comprehensive, integrated service plans. For more information please click on the following links:

What is the ECSII?

Summary of ECSII Development and Psychometric Data

For more information about the ECSII or to arrange a training, please call the Clinical Practice Program Manager at 202-587-9671 or email