In 2024, the chairpersons of 17 parent councils in Aberdeenshire wrote to the Scottish government asking for urgent action to tackle the teacher shortages in the north east.
The then education secretary, Jenny Gilruth, said the issue would be looked at.
However, Ms Suer said things had got worse rather than better.
Local authorities organisation Cosla said it recognised there was an issue with teaching shortages in particular subject areas across the country.
A spokesperson said: “This provides local authorities with real challenges to delivering subject choice to learners and fill timetables.
“We are working with Scottish government and our trade union partners to identify solutions to overcome these challenges.”
The Scottish government said the country’s teachers were the best paid in the UK.
“Teacher numbers have increased by more than 2,700 over the last decade thanks to Scottish government investment,” said a spokesperson.
“Scotland already has the lowest pupil-teacher ratio and smallest class sizes anywhere in the UK, and ministers are committed to at least maintaining this ratio over the lifetime of this parliament.”
The spokesperson added that the yearly teacher training targets took into account the number of teachers who were starting training.
“Any shortfall in one year doesn’t simply carry over in full to the next, because targets and modelling are adjusted based on actual recruitment,” they said.