heads to decide. i much has been left unclear for the heads to decide. much has been left unclear for the heads to decide. i don t know what our heads to decide. i don t know what your partner s heads to decide. i don t know what your partner s view heads to decide. i don t know what your partner s view on heads to decide. i don t know what your partner s view on this - heads to decide. i don t know what your partner s view on this and - your partner s view on this and whether or not you ve discussed of this, but actually having the infrastructure in every school where you tested children every day will be expensive, and it requires a lot of people. for every school the country, that s a significant amount of investment. of investment. there is two things here. one of investment. there is two things here- one is of investment. there is two things here. one is the of investment. there is two things here. one is the frustration - of investment. there is two things | here. one