Schools are 'sharing pupils' because there's not enough of them Millbay Academy and High Street Primary Academy will be entering a federation and will see each school cater to certain age groups Updated The video will auto-play soon8Cancel Play now Two Plymouth schools are joining together and dividing their pupils into year groups because of a shortage of pupils across the city. Millbay Academy and High Street Primary Academy will be entering a federation to maximise the benefits of working together as student numbers fall. Reach South has now informed parents the new federation model will mean the schools share classes and pupils. This will see all Reception to Year 3 pupils taught at High Street Primary Academy.