 In Zuzwil about 80.4% of the population (between age 25-64) have completed either non-mandatory upper secondary education or additional higher education (either university or a "Fachhochschule").Out of the total population in Zuzwil, , the highest education level completed by 665 people (17.5% of the population) was Primary, while 1,507 (39.7%) have completed their secondary education, 478 (12.6%) have attended a Tertiary school, and 113 (3.0%) are not in school.The remainder did not answer this question.