Four families in The Rock and Emo area have been told they were unsuccessful for a place on the bus.
It's claimed school transport is in chaos yet again- just before pupils return to the classroom.
Education Minister Norma Foley recently confirmed over 83,000 tickets had been issued to students for the upcoming school year.
The school transport scheme saw a surge in demand last year when the Government decided not to charge for school bus places due to the cost of living crisis.
Four families from Emo / The Rock applied for concessionary tickets to travel on the school bus to Mountmellick Community School have been told they have been unsuccessful in the lottery for places.
Earlier this year fees for school transport were reintroduced.
One parent had her son's place booked and paid for when she received an email saying the bus was full and there would be no place for him.
In a statement to Midlands 103 Bus Eireann says it cannot provide additional service for those who are not eligible under the guidelines of the scheme - as those impacted are in the catchment area for Portlaoise.
But Independent Roscommon/Galway TD Michael Fitzmaurice says he's been inundated with calls from parents whose children have been refused a place: