• School tracking and development of cognitive skills 

      Pekkarinen, Tuomas; Uusitalo, Roope; Kerr, Sari
      VATT Working Papers : 2 (Valtion taloudellinen tutkimuskeskus VATT, 30.03.2009)
      The Finnish comprehensive school reform replaced the old two-track school system with a uniform nine-year comprehensive school and significantly reduced the degree of heterogeneity in the Finnish primary and secondary ...