There are multiple definitions for scale that center around the expansion, replication, and adaptation of programs. Generally when talking about scale, the term is used to mean one individual program expanding its own reach to serve additional populations or deepening its current efforts. This article examines the challenges of individual programs working together to scale. The goal of the collaboration described is for each service provider to reach additional families with unique services (horizontal scale) while also scaling across programs to ensure that a wider array of services are easily accessible for the family (vertical scale). January 2017.