Ivonaldo's job has evolved somewhat since the pandemic. No longer is he just Professor Ivonaldo, he is also had to take on the role of postman, getting on his red motorbike every week to take school work to his pupils' homes.
Today, his first stop is the school. It is a simple red-and-white building with two classrooms and a little kitchen. The plastic desk-chairs sit empty - that is, apart from six mothers waiting to pick up manila envelopes with their children's names on them.
"She likes doing the activities," says Jeane Bezerra de Almeida of her seven-year-old daughter Maria Cecilia. But when it comes to the online classes, that is a bit harder.
"The internet comes from a neighbour and the signal often cuts out, so the neighbour has to pop over to connect us again."
The pandemic has also come at a personal cost: Jeane's sister-in-law died from coronavirus.
In the southern hemisphere, the school year starts in February or March and it ends in December. That has meant that most students have gone for nearly an entire academic year without classes.