 In St. Gallenkappel about 66.9% 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 St. Gallenkappel, , the highest education level completed by 406 people (23.6% of the population) was Primary, while 558 (32.5%) have completed their secondary education, 140 (8.1%) have attended a Tertiary school, and 81 (4.7%) are not in school.The remainder did not answer this question.