This statistic displays the average class size in primary, lower secondary and upper secondary levels of education in European Union (EU) countries in 2012. The United Kingdom (UK) had the highest number of pupils per class at 25.1 followed by Ireland and France at 24.4 and 22.7 respectively. According to the source Lithuania had the smallest number, with 15.2 pupils per class.

The United Kingdom had an average of 20 students per teacher in 2024, the highest in Europe in that year. Europe's largest country, Germany, had an average of 14 students per teacher, while Latvia had an average of just 12.11 students per teacher.

Data on class sizes in primary schools are collected each year as part of the pupil census. The data gives the number of pupils in each class in September 2023"Class type" gives the stage of pupils in the class or, where more than one stage is present "Co" denotes a composite class.In a class where there are two or more teachers then 'Two or More Teachers' will have a value of 'Yes'The class size maxima for P1 classes is 25 and for single stage P2 or P3 classes is 30. This is set out in The Education (Lower Class Sizes) (Scotland) Amendment Regulations 2010.These regulations allow certain exceptions such as pupils who join a class after the end of a placing round and Additional Support Needs pupils who only join a class for part of the time.For P4-P7 class size maxima are set out in teachers terms and conditions of service. For these years there is a normal maximum of 33. Composite classes throughout primary have a class size maximum of 25.Excepted pupils in class-size legislation are;(a) children whose record of additional support needs specify that they should be educated at the school concerned, and who are placed in the school outside a normal placing round;(b) children initially refused a place at a school, but subsequently on appeal offered a place outside a normal placing round or because the education authority recognise that an error was made in implementing their placing arrangements for the school;(c) children who cannot gain a place at any other suitable school within a reasonable distance of their home because they move into an area outside a normal placing round;(d) children who are pupils at special schools, but who receive part of their education at a mainstream school; and(e) children with additional support needs who are normally educated in a special unit in a mainstream school, but who receive part of their lessons in a non-special class.These are National Statistics background data. National Statistics are produced to high professional standards set out in the National Statistics Code of Practice. They undergo regular quality assurance reviews to ensure that they meet customer needs. They are produced free from any political interference.Analysis of class size at a national level is available through the following link: https://www.gov.scot/publications/pupil-census-supplementary-statistics/