This is a market research request for information to plan a future solicitation for a comprehensive English Language Proficiency assessment system for Bureau of Indian Education schools. The required solution must be fully operational nationwide across 183 schools in 23 states by the start of the 2026-2027 school year. The period of performance would include a base year and four one-year options. The description seeks details on a turnkey ecosystem covering assessments, a technology platform, training, reporting, and helpdesk support, all with strict data security and CONUS-only data residency.