2920 ARTICLE 77

years of teaching experience in elementary schools. Such a certificate may
also be granted to persons who are graduates of a four years' course of a
standard college or university, who have completed one full year's work
at a recognized college or university in education, including elementary
school methods and supervision, and who have had four years' teaching
experience in elementary schools. Provided, that a helping teacher's certifi-
cate in elementary school subjects may be granted to persons whose aca-
demic and professional training is not more than one year short of that
required for a certificate in elementary school supervision.

(3) A certificate in supervision (special), valid throughout the State
for three years, renewable on evidence of successful experience and profes-
sional spirit, and required of special supervisors in physical training,
music, fine and applied arts, domestic art and science, manual or industrial
training, or agriculture, may he granted to persons who have completed a
four years' high school course or the equivalent; who have had four years
of additional work of a college grade, approximately one-half of which was
in general academic subjects, and approximately one-half of which was in
the special branch or branches for which the certificate is issued, including
not less than three hundred recitation hours in the theory of education and
in the art of teaching and supervising their particular specialty, and who
have had four years of experience in teaching, two of which were in their
specialty.

(4) A high school principal's certificate, valid throughout the State for
three years, renewable on evidence of successful experience and profes-
sional spirit, and required in all State-aided high schools of the first group
and schools rated as high schools of the first group by the State Superin-
tendent of Schools, may be granted to persons who are graduates of a
standard college or university, or who have had the equivalent in scholastic
preparation; who have had in addition a full year's graduate work at a
standard university, approximately one-third of which was in advanced
study related to high school branches and approximately two-thirds in
education, including high school methods, supervision, and administration,
or who have had the equivalent in scholastic preparation, and who have
had two years' teaching experience.

(5) A high school teacher's certificate in the academic subjects, valid
throughout the State for three years, renewable on evidence of successful
experience and professional spirit, and required in all State-aided high
schools of the first group and all schools rated as high schools of the first
group by the State Superintendent of Schools, may be granted to persons
who are graduates of a standard college or university, or who have had
the equivalent in scholastic preparation; provided that during their college
course at least two high school branches were continuously pursued for
two years; and provided that they had had not less than two hundred reci-
tation hours of instruction in education, including the aims of secondary
education, and in the methods, observation, and practice teaching of high
school subjects; provided, further, that the State Superintendent of Schools
may in his discretion certificate persons possessing the foregoing qualifica-
tions to teach in the elementary schools; and provided, further, that this
certificate shall be valid for the principalship of a high school either of the
second group or of the third group.

A junior high school teacher's certificate in the academic subjects, valid
throughout the State for three years, renewable on evidence of successful