The four students were detained for staging a protest against what they called “military-style oppression” within Burma’s education system.
The dispute centres on a report that village administrators were exaggerating the acreage owned by local farmers so that they could secure higher loans.
“As the country is moving towards a federal union, we aim to include ethnic students.”
The statement comes after criticism of a remark from a senior ABFSU member that appeared to deny the government credit for the move.
Dozens were freed from jails across Burma on Friday morning, with expectant crowds hopeful that political prisoners will join them as day goes on.
Students jailed after police violence in 2015 say the election of a military hardliner as Burma’s new vice president could spell a revision to the country’s political reforms.