i ary ▁school ing , ▁ 6 2 . 5 % ▁were ▁Swiss ▁men , ▁ 3 2 . 5 % ▁were ▁Swiss ▁women . ▁ ▁The ▁C anton ▁of ▁Bern ▁school ▁system ▁provides ▁one ▁year ▁of ▁non - ob lig atory ▁Kinder g arten , ▁followed ▁by ▁six ▁years ▁of ▁Primary ▁school . ▁ ▁This ▁is ▁followed ▁by ▁three ▁years ▁of ▁oblig atory ▁lower ▁Second ary ▁school ▁where ▁the ▁students ▁are ▁separated ▁according ▁to ▁ability ▁and ▁apt itude . ▁ ▁Following ▁the ▁lower ▁Second ary ▁students ▁may ▁attend ▁additional ▁school ing ▁or ▁they ▁may ▁enter ▁an ▁app rent ices hip . ▁ ▁During ▁the ▁ 2 0 0 9 - 1 0 ▁school ▁year , ▁there ▁were ▁a ▁total ▁of ▁ 7 4 ▁students ▁att ending ▁classes ▁in ▁Schwar zh ä us ern . ▁ ▁There ▁was ▁one ▁kind erg arten ▁class ▁with ▁a ▁total ▁of ▁ 1 4 ▁students ▁in ▁the ▁municipality . ▁ ▁The ▁municipality ▁had ▁ 2 ▁primary ▁classes ▁and ▁ 3 6 ▁students . ▁ ▁During ▁the ▁same ▁year , ▁there ▁was ▁one ▁lower ▁secondary ▁class ▁with ▁a ▁total ▁of ▁ 2 4 ▁students . ▁ ▁There ▁were ▁ 4 . 2 % ▁who ▁were ▁permanent ▁or ▁temporary ▁residents ▁of ▁Switzerland ▁( not ▁citizens ) ▁and ▁ 4 . 2 % ▁have ▁a ▁different ▁mother ▁language ▁than ▁the ▁class room ▁language . ▁ ▁, ▁there ▁were ▁ 9 ▁students ▁in ▁Schwar zh ä us ern ▁who ▁came ▁from ▁another ▁municipality , ▁while ▁ 1 8 ▁residents ▁attended ▁schools