Possible Clues:

• One isn't a strange Baltic native
• Last of schoolboys (e.g. Boris) almost making it to Head of State
• Language spoken in Tallinn
• One comes from Eastern small nation, migrating?
• From one of the three Baltics
• National service initially embraced by schoolboy
• European college student welcoming recess, finally
• Schoolboy boxing southern European
• Language closely related to Finnish
• European language of one million