SRI Education, the research partner for the Barr Engage New England (ENE) initiative, captured the ENE school and program grantees' learnings about improving instructional systems through interviews of school leaders, school staff members, and external partners; student focus groups; and staff surveys during the 2019-20 school year. This brief describes common facilitators and challenges experienced by grantees as they worked to further their instructional systems. It also provides some promising practices that grantees used to support these efforts or to address challenges