The fact that so many schools signed up was key to success.
Limiting mobile phone use for primary school children was first trialled in Greystones, County Wicklow.
Principal of St. Patrick's National School in the town, Rachel Harper, says the fact so many schools in the area signed up to the proposal was key to its success.

BREAKING: DJ Carey Jailed For Five-And-A-Half Years
Kildare Superintendent Among Officers Promoted As Part Of Senior Garda Operational Reassignments
BREAKING: Man Arrested On Suspicion Of Murder Following Death Of Ryan Weir Gibbons In Kildare Town
"Hope At Last" - Horsepasstown Residents May Soon See End To Six-Year Boil Water Struggle
Kildare Among Worst-Hit Counties As Teacher Shortages Hit Special And Disadvantaged Schools
Focus Ireland Founder Sr Stan Dies Aged 86
Pearse Doherty Claims Government Misled Homeowners On LPT Hikes As Deadline Nears
Minister Announces Nationwide IPAS Security Review Following Drogheda Fire