Note: Interestingly enough, teachers in Finland (the country US is being compared against in the article) are fully unionised: 95 % of teacher workforce are mem

Note: Interestingly enough, teachers in Finland (the country US is being compared against in the article) are fully unionised: 95 % of teacher workforce are members in the main union, OAJ. source: http://www.oaj.fi/cs/oaj/Tietoja%20OAJsta http://www.oaj.fi/cs/oaj/Tietoja%20OAJsta (in Finnish)