The city hosts 19 kindergartens (2,600 pupils) ans 16 primary school (3,600 pupils), 5 middle schools(2,400 pupils) and 2 high school (1,400 pupils). Education represents nearly 15% of the Municipality budget.

Schools' IT technology investments account for 40% of the City's budget. All the schools have high speed internet access and each classroom has at least one computer. A server allowing networking cooperation between teachers and an ever more efficient internet filtering were installed in each school.
In 2010, more than 200 new computers and printers have been handed over to the schools. Two thirds of the computer equipment and the totality of the printers has thus been renewed in the schools of Issy.

The average number of computers per class is as high as 2.5 in primary schools and 1.5 in kindergartens. Some schools are equipped with multimedia classrooms. 7 primary schools have a mobile classroom (16 Laptops, including one for the teacher, a video projector and a laser printer all linked through WiFi) which allows for interactive activities with the pupils. Aware of the importance of technology, the City installed the new computer tools required for the success of the youth.