Why choose SIS?

Are you looking for the right school for your child? And when you do, all you have to do is choose the ATL, right?
What if we told you that you don’t have to look any further?

Let's do math?

The difference is in the commitment!

At Seixal International School the children are unique with all their characteristics.
Here we prepare them for life!

Public School

Seixal International School

Be part of this great family!