De Meergronden coöperates with other schools in Europe:

	UK, Poole. Poole grammar school. www.poolegrammar.com
	Spain, Valencia. Institutode Bachillerato. www.isabeldevillena.es/portal
	Sweden, Eskilstuna. Eskils gymnasium. http://www.eskilstuna.se/steskilsgymnasium
	The Netherlands, Almere. OSG De Meergronden. http://www.meergronden.nl
	Hungary, Ajka. Brody Gimnazium es Szakkozepiskola http://www.brody-ajka.sulinet.hu/
	Czech republic, Praag. Gumnazium Jana Nerudy. http://www.gjn.cz/
	Estonia/Estland, Haapsalu.Wiedemann Gymnasium. www.hwg.edu.ee
	Poland, Swietochlowice. Gimnazjum nr1