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).
1.3%
Anos iniciais (1º-5º)
Very low
Very low
2.9%
Anos finais (6º-9º)
Very low
Very low
2.4%
Ensino fundamental
Very low
Very low
3.6%
Ensino médio
Very low
Very 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.
0.0%
1º
0.0%
2º
0.0%
3º
5.3%
4º
0.0%
5º
0.0%
6º
7.7%
7º
2.3%
8º
2.8%
9º
TDI per grade — Ensino médio
High distortion in ensino médio is common nationally — many students arrive already behind from earlier stages.
3.0%
1º
3.5%
2º
4.3%
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.
66.7%
Educação infantil
83.3%
Anos iniciais (1-5)
78.3%
Anos finais (6-9)
94.1%
Ensino médio