(_a_) As teachers of the regular grade subjects (elementary school
subjects) in rural schools.
(_b_) As teachers of the regular grade subjects (elementary school
subjects) in fifth, sixth, and especially seventh and eighth grades in
the city schools.
(_c_) As teachers of special subjects in the grades, such as music,
mechanical drawing, manual training, agriculture, commercial subjects,
physical training and playground work, including coaching in
athletics.