model school; pilot school
A school designated to trial new educational methods, curricula, or systems, often under government or institutional guidance.
Starting next year, this district will introduce a new English education program as a model school.
文部科学省は全国に数校のモデル校を指定した。
The Ministry of Education designated several model schools nationwide.
Compound of モデル (model) and 校 (school), likely a direct calque from English 'model school'.