UK : Only pre-stunned Halal meat is purchased to use for school lunches OR Halal Meat and Poultry Specifications in UK -TENDANCES HALAL

United Kingdom: source http://www.sheffield.gov.uk/
Halal Meal as part of Sheffield School Meals Service

policy states that:

We will work with members of the Muslim community and governing bodies to provide Halal meat as required.

All meat must be pre-stunned before slaughter in the Islamic way.

Halal meat is only available in schools for members of the Muslim community.

Non-Halal meat is provided for non-Muslim pupils and staff as required.

All details of the slaughterer, including the license and stamp of authorisation, must be known by us. Sheffield City Council - Halal Meat and Poultry Specifications