The government has announced the allocation initial teacher training places available for 2015-2016. Potential applicants for initial teacher training can see what places will be available in advance of the opening of the UCAS system. There are now more school-led places on offer for postgraduate ITT than HEI-led places.
A spreadsheet with full details is available at https://www.gov.uk/government/publications/initial-teacher-training-allocations-for-academic-year-2015-to-2016
This enables you to see to the number of places allocated by school, training provider, region or subject. There is also a table showing allocations to Teach First by subject.