1,173 students at either the primary or secondary levels. There were 211 children in the kindergarten, and the average class size was 19.18 kindergartners. Of the children in kindergarten, 107 or 50.7% were female, 41 or 19.4% were not Swiss citizens and 44 or 20.9% were not native German speakers. The lower and upper primary levels begin at about age 5-6 and lasts for 6 years. There were 351 children in who are at the lower primary level and 396 children in the upper primary level. The average class size in the primary school was 20.19 students. At the lower primary level, there were 160 children or 45.6% of the total population who were female, 50 or 14.2% were not Swiss citizens and 52 or 14.8% were not native speakers of German. In the upper primary level, there were 203 or 51.3% who were female, 65 or 16.4% were not Swiss citizens and 68 or 17.2% were not native German speakers. At the secondary level, students are divided according to performance. The secondary level begins at about age 12 and usually lasts 3 years. There are 246 teenagers who are in the advanced school, of which 132 or 53.7% are female, 28 or 11.4% are not Swiss citizens and 29 or 11.8% do not speak German natively. There are 172 teenagers who are in the standard school, of which 77 or 44.8% are female, 48 or 27.9% are not Swiss citizens and 57 or 33.1% do not speak German natively. Finally, there are 8 teenagers who are in special or remedial classes, of which 3 or 37.5% are female, 4 or 50.0% are not Swiss citizens and 3 or 37.5% do not speak German natively. The average class size for all classes at the secondary level is 19 students. Transport Bischofszell is located on the Sulgen–Gossau railway and has two stations: Bischofszell Nord and Bischofszell Stadt. Both are served by the St. Gallen S-Bahn. Twin towns Bischoffszell is twinned with: Battaglia Terme, Veneto, Italy Tuttlingen, Baden-Württemberg, Germany Waidhofen an der Ybbs, Lower Austria Notable residents Fridolin Sicher (1490 in Bischofszell – 1546) composer and organist of the Renaissance era Ulrich Hugwald (1496 in Wilen – 1571) a Swiss humanist scholar and Reformer Johannes Zwick (c.1496 – 1542 in Bischofszell) a German Reformer and hymnwriter, died of the plague Ludwig Haetzer (1500 in Bischofszell – 1529) an Anabaptist linked to the