English 1 operates numerous centers throughout the Jakarta Greater Area, spanning Jakarta proper, Tangerang, Bogor, and Depok. As part of a large international franchise network, the organization focuses on delivering quality language programs to young learners ranging from preschool age through teenagers.

Instructors are tasked with lesson planning, student progress tracking, and professional skill enhancement. The school offers a structured relocation and support package, including travel cost assistance, housing stipends, medical coverage, and legal work visa sponsorship.