;2017;2017;2017;2017;2017;2017; English, written, overall achievement;English, written, examination;Mathematics, overall achievement;Mathematics, written examination;First choice form of Norwegian, overall achievement;First choice form of Norwegian, written examination; All pupils;;;;;;; Private;4.1;3.9;3.8;3.6;4.0;3.5; Public;3.9;3.8;3.6;3.4;3.8;3.4; Mother/father has tertiary education;;;;;;; Private;4.3;4.1;4.0;3.8;4.2;3.7; Public;4.2;4.1;4.0;3.8;4.1;3.7; Mother/father does not have tertiary education;;;;;;; Private;3.6;3.3;3.2;3.2;3.6;3.1; Public;3.6;3.5;3.1;3.0;3.5;3.1; Parents' educational attainment level is unknown;;;;;;; Private;4.2;..;3.9;..;3.6;..; Public;3.1;3.1;2.9;2.7;2.9;2.6;