Marttila is a primary school for 350 pupils. It is located in the center of Seinäjoki. The school building was built in 1930 and renovated between 1996-1998. The school yard was rebuilt in 2019, which offers various sports opportunities for many communities.

Marttila School offers basic education and special needs education (Years 1-6). Additionally there is bilingual education (CLIL-classes for Years 1-6 in English and Finnish) and preparatory teaching for pupils of immigrant background.

Marttila is a multicultural school. Besides international pupils and staff there are various intercultural projects and visits throughout the school year. The school emphasizes sustainability and active school days. The school is located next to Aalto center, which has offered an opportunity to specialize as an Alvar Aalto school.