The following 31 primary schools were the mainstay of the original FÍS pilot. Their involvement was crucial to the success of the pilot and its ultimate expansion to many more schools. Their ideas and experiences also contributed to the development of the Teachers Resource Pack.

• Catherine McAuley National School.
• Rathfarnham Parish School.
• Sandford Parish National School.
• Scoil an Linbh Íosa.
• Scoil Cnoc Muire Senior.
• Scoil Nasiunta Naomh Peadar.
• South City School Project.
• Bray School Project.
• Harold Convent Girls' School.
• Holy Family National School.
• Scoil Lorcan Naofa.
• Scoil San Treasa.
• Star of the Sea National School.
• St Patrick's Boys' National School.
• Our Lady Immaculate Senior National School.
• Our Lady of Lourdes National School.
• Scoil Ui Chonaill.
• St Michael's House Special National School.
• St Molaga's Senior National School.
• St Oliver Plunkett National School.
• Stanhope Street Primary School.
• Gaelscoil Mide.
• Our Lady of Lourdes Girls' National Schools.
• Scoil Bhríde.
• St Anthony's Boys' National School.
• St Columba's Boys' National School.
• Scoil an Athar Maitiú.
• Scoil Padre Pio.
• Scoil Phadraig (Boys').
• St Catherine's National School.
• Togher Boys' National School.