The Amstellyceum was a secondary school in Amsterdam, the Netherlands. It got cancelled and the Metis Montessori Lyceum is established there. The school was named after the river Amstel. It teaches, vmbo-tl, havo, and vwo (gymnasium and atheneum). In 2005, it had 480 students.

The school was a Montessori Lyceum with directions Gymnasium (school), vwo (Atheneum), havo en vmbo-T. More than 50% of the students attended vmbo department of the school. In course year 08–09, the school had 504 students (including VAVO students) and 52 teachers. The pre-university education (VWO) is being phased out. There is a successful havo chance class.

The school works with other montessorischools in Amsterdam. These are:

• Montessori Lyceum Amsterdam
• Montessori College Oost
• IVKO
• Cosmicus Montessori Lyceum

• List of schools in the Netherlands