Schooling - Number of schools by Kura type and region 2000–2021

Māori immersion schools can be set up either through Section 155 or Section 156 of the Education Act 1990.
Kura Kaupapa Māori: Section 155 of the Act allows for state schools that use Te Reo Māori as the main language for teaching and operate in accordance with the principles of Te Aho Matua.
Designated Character: Section 156 allows for state schools with a special character that sets them apart from ordinary state schools.

At URL provided, download 'Pivot Table: School numbers 2000-2021'.
The pivot table was configured to display the Kura type, by region and by year.

The Ministry of Education provides a snapshot of Māori Language Learning in the schooling sector as at 1 July. It reports on 3 levels of Māori Language in Education: Māori medium, Māori language in English medium, and Students not involved in Māori language in education.