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Ages, Stages, & Early Intervention

As you explore this section of our website, you will find information about child development, early interventions services, as well as developmental milestones. 


Allegheny Intermediate Unit (AIU) Central

This main number will get you in contact with DART, Pre-K Counts, and Head Start services. 

Phone:  412-394-5700


For children younger than school-age, early intervention services are provided by two agencies. 


For ages birth through age two, programming is provided through the PA Department of Welfare and funding and services are provided by the Alliance for Infants and Toddlers, Inc.

Website: ttp://

Phone: 412-885-6000


For children who are three years old to the age of beginners for school-age programming, services are provided through the PA Department of Education funding. This preschool program is coordinated through the Allegheny Intermediate Unit’s Early Childhood and Family Support Services program, DART.


Phone:  412-394-5904


Below, please find the main website for Head Start for your convenience:



Below, please find a resource about PA Pre-K Counts for your convenience:

Phone:  412-394-5863
Website: PA Pre-K Counts


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