Elckerlyc International School Lesley de Quartel, Director Klimopzoom 41 2353 RE LEIDERDORP telephone: +31 – (0)71 – 589 6861 (Klimopzoom) All applicants must be eligible to live and work in the Netherlands and have teaching qualification must be verified by DUO. You can find all the vacancies of the schools of PROO (also Elckerlyc international school) on the working at PROO website. We use cookies on our website to provide you with the best possible experience by remembering your preferences and repeat visits. By clicking “Accept All,” you agree to the use of ALL cookies. However, you can visit Cookie Settings to manage your consent or choose to Reject All the cookies.