Babban Rangwame Farashin Ma'aikata Babban Gudun Rufin Rufi Biyu Yana Yin Roll Yana Ƙirƙirar Na'ura don Samar da Rufin Karfe da Ƙarfe

An rarraba darussa masu lambobi 000-099 a matsayin darussan haɓakawa (sai dai idan sashin dakin gwaje-gwaje ya dace da tsarin karatun 100-599). Darussa masu lamba 100-299 an tsara darussan ƙaramin kwaleji (ƙananan matakin). Kwasa-kwasan da aka ƙidaya 300-599 an tsara su a matsayin manyan kwasa-kwasan darussan koleji (Senior Division) idan an kammala su a wata hukuma ta shekaru huɗu da aka amince da ita. Ajin matakin 500 babban aji ne na karatun digiri. Yawancin su suna buɗe wa ɗaliban da suka kammala karatun digiri. Don samun takardar shaidar kammala karatun digiri, dole ne a cika ƙarin buƙatun kwas. Darussan Level 600 suna buɗewa ga ɗaliban da suka kammala karatun digiri kawai. An kebe kwasa-kwasan matakin 700 don Ed.S. dalibai. An kebe kwasa-kwasan Level 900 don Ed.D. dalibi.
Lambobin karatun karawa juna sani: 800-866. Taro mai lamba 800-833 a buɗe suke ga duk daliban da suka kammala karatun digiri da na digiri da kuma bayar da ƙananan ƙididdiga. Lambobin 834-866 suna buɗe wa ɗaliban karatun digiri da na digiri tare da ƙididdiga 45; daliban da ke karatun digiri na biyu suna samun babban daraja; daliban da suka kammala karatun digiri suna samun maki na digiri.