The Association of Two-Way & Dual Language Education (ATDLE)  is a non-profit that provides professional development and technical support to schools/districts engaged in implementing Two-Way Bilingual Immersion and Dual Language Immersion (TWBI/DLI) programs. To date, they have reached 35 schools through deep, multi-year partnerships. The model includes task force development; professional development for teachers, administration, and parent leaders; and home engagement sessions. Further, ATDLE provides guidance on curriculum adoption and realignment