In 2022, the Ministry of Education launched the Collaborative Quality Improvement Programme for Normal Education, which coordinates leading normal universities to provide essential support to weaker normal colleges and universities in underdeveloped central and western regions. A key component of this initiative is enhancing information infrastructure to facilitate the sharing of high-quality educational resources among participating institutions. Thus, the digital agency of teacher educators participating in the programme is crucial for its successful and smooth execution. Grounded in ecological theory, this study focuses on foreign language teacher educators from two collaborating institutions. Through a case study approach, it explores developmental mechanisms of their digital-intelligent educational agency within the new cross-institutional collaborative ecosystem. The goal is to offer theoretical insights and practical implications to further develop the Collaborative Quality Enhancement Plan in teacher education.