5 Countries with the Highest Pupil-to-Teacher Ratio in the World

3. Guinea-Bissau 

Pupil-to-Teacher Ratio in Secondary Schools as of 2006: 37

With a pupil-to-teacher ratio of 37 in secondary schools, Guinea-Bissau ranks third on our list of the 20 countries with the highest pupil-to-teacher ratio in the world. Guinea-Bissau is a tropical West African country on the Atlantic coast. These estimates were made in 2006. However, according to a report by the country’s Ministry of National Education, Culture, Science, Youth, and Sports, Guinea-Bissau had a 44.4 ratio of pupil to teacher (RPT) in 2020.