The number of upper secondary school pupils was increasing until the school year 1997/98, when around 107,000 pupils were enrolled, which shows that the increasing number of elementary school children continued their education in upper secondary schools.
Število dijakov se je povečevalo do šolskega leta 1997/98; takrat je bilo namreč v srednje šole vpisanih največ dijakov: približno 107.000. To kaže, da je čedalje več osnovnošolcev nadaljevalo šolanje v srednji šoli.