- Amalee Meehan, PhD
- Ann Moran
- Atheist Ireland
- Catholic Primary School Management Association (CPSMA)
- Daughters of Charity of St Vincent de Paul
- Dr. Suzanne Parkinson
- Dr. Thomas Finegan (and colleagues)
- Dublin Archdiocese Education Secretariat
- Education and Training Boards Ireland (ETBI)
- Irish Catholic Bishops' Conference
- Mater Dei Centre for Catholic Education
- Maureen Matthews
- Opt Out Rights
- Primary School Diocesan Advisors Archdiocese of Tuam
- St. Brigid's GNS
- St. Mary's Primary School Strokestown
