Dozens of pupils have been found last-minute places at primary schools despite fears there would be no room for them at the start of the new term.
Education chiefs in Eastbourne held crisis meetings in the summer after it was revealed 50 children had been turned away because schools were full.
They claimed the thriving resort was attracting so many families, both primary and secondary schools were struggling to accommodate children.
After the extent of the problem came to light, council bosses worked with education representatives to set out a plan of action.
Extra places have been found by taking on more teachers and building temporary and permanent classrooms.
East Sussex County Council put in a massive bid for a £1,550,000 grant from the Education Department to fund 245 secondary school places and another £150,000 to fund 33 new primary school places.
Councillor David Tutt said: "There's no great pressure at the moment but we have long-term worries about a shortage of places over the next few years, especially in secondary schools."
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