Schools are warning industrial action by teachers will affect extra-curricular activities later this month.
Three unions - the Association of School and College Leaders, the National Association of Head Teachers and the National Association of School Masters and Union Women Teachers - are currently in dispute with the Department of Education.
This week, schools wrote to parents explaining from Monday, February 24 lunchtime and after-school clubs and activities won't be covered.
Also affected will be school sports fixtures, but events such as parents' evenings, review days and options evenings will go ahead as normal.
Steam Packet sailings delayed tonight
PPE Medpro put into liquidation
Part of TT course closed tomorrow
Carl Cox backs cancer charity's TT fundraising auction
Business appeal over thousands in unpaid bills
Pharmacy plans for former IOM Bank
Appeal after wood from van damages car
Island part of union data breach investigation