How Finnish Schools Use Mixed Ability Grouping Instead of Streaming
Finnish comprehensive schools do not sort pupils into separate classes by ability. Instead, mixed ability groups stay together, and teachers differentiate within the same lesson.
- Finnish comprehensive schools do not stream or track pupils into separate classes by ability, keeping mixed ability groups together through the K-5 years and beyond.
- Differentiation happens inside the classroom rather than through separate tracks, with teachers trained to adapt tasks, pacing and support for individual pupils within the same lesson.
- Class teachers and special education teachers frequently co-teach, giving a mixed ability class two adults able to work with different pupils at the same time.
- Research on this approach is not one sided: some studies suggest mixed ability classrooms can affect the academic self-concept of lower-achieving pupils, and surveys have found informal ability grouping still happens in some Finnish schools despite the official policy against it.
Why Finland avoids streaming
Rather than separating pupils into higher and lower tracks based on test scores, Finnish schools keep classes mixed by ability as standard practice through the comprehensive school years. The reasoning is that early tracking risks locking a pupil's opportunities in based on a single point in time, rather than allowing for the fact that children develop skills, especially in the K-5 years, at very different rates.
How teachers differentiate without separate tracks
Keeping a class mixed ability does not mean teaching every pupil identically. Teachers are trained to adjust the difficulty of tasks, the pace of instruction and the level of support within a single lesson, often supported by a second adult in the room. Co-teaching and team teaching in Finnish classrooms is common precisely for this reason, giving a class teacher and a special education teacher the capacity to work with different pupils simultaneously without pulling anyone out of the room.
An honest look at the limits
Mixed ability grouping is not free of trade-offs. Some research has found that mixed ability classrooms can affect the academic self-concept of lower-achieving pupils, who may compare themselves unfavourably to faster progressing classmates. There is also evidence that informal ability grouping, sorting pupils within a class or across parallel classes in practice, happens in some Finnish schools despite it running against official policy. Finland's three-tier support model exists partly to catch pupils who might otherwise fall behind unnoticed in a mixed classroom.
Frequently asked questions
Are pupils in Finland ever separated into ability groups?
Not through official streaming or tracking into separate classes. Some informal grouping has been found to happen within schools despite this, but it is not the intended national policy.
How do teachers manage such a wide range of abilities in one class?
Mainly through differentiated tasks, pacing and support delivered within the same lesson, often alongside a second teacher through co-teaching arrangements.
Does mixed ability grouping disadvantage stronger or weaker pupils?
Research is mixed. Some studies point to effects on the self-concept of lower-achieving pupils, which is part of why Finland pairs mixed ability classrooms with a formal three-tier support system to identify and help pupils who are struggling.
Related reading
Bring Finnish pedagogy to your school
OPPI affiliates a selective cohort of schools each year for its K-5 Finnish-pedagogy programme, backed by Education Finland. Tell us about your school and our team will reach out.
Backed by Education Finland. Over 20 schools have already affiliated, including DPS, Radcliffe and Sanctus. Places in each cohort are limited.
Apply to the affiliation cohort →