Trajectory
Age-grade distortion (how students progress through grades) · 2024 INEP census
Age-grade distortion (TDI) by stage
Percentage of students who are 2 or more years older than the expected grade for their age — a key indicator of how often students repeat or fall behind. Lower is better. National averages: ~10% (anos iniciais), ~22% (anos finais), ~25% (ensino médio).
4.4%
Anos iniciais (1º-5º)
Very low
Very low
2.2%
Anos finais (6º-9º)
Very low
Very low
3.2%
Ensino fundamental
Very low
Very low
5.5%
Ensino médio
Low
Low
TDI per grade — Ensino fundamental
Distortion typically grows from one grade to the next as students who repeat accumulate. A steep upward slope signals students struggling to progress.
9.1%
1º
0.0%
2º
0.0%
3º
3.2%
4º
8.3%
5º
0.0%
6º
2.4%
7º
5.6%
8º
0.0%
9º
TDI per grade — Ensino médio
High distortion in ensino médio is common nationally — many students arrive already behind from earlier stages.
2.3%
1º
8.5%
2º
4.7%
3º
—
4º
Teachers with higher-education degree (DSU)
% of teaching staff with a college degree (curso superior) per stage of education. Higher is better. Brazilian law (LDB) requires teachers in anos finais and ensino médio to hold a degree.
80.0%
Educação infantil
94.4%
Anos iniciais (1-5)
100.0%
Anos finais (6-9)
97.1%
Ensino médio