394 LAWS OF MARYLAND. [CH. 224

office at the time of the enactment of this section shall con-
tinue to serve to the end of the terms for which they were
originally appointed, and until their successors qualify,
unless removed as herein provided; and provided, further,
that they shall be paid, beginning with the school year
1922-1923, on the basis of the salaries herein specified.

(I) In each county employing less than eighty (80)
teachers in the white elementary schools, there shall be ap-
pointed one supervising teacher or helping teacher; in each
county employing eighty (80) but less than one hundred
and twenty (120) teachers in the white elementary schools,
there shall be appointed two supervising teachers or help-
ing teachers; in each county employing one hundred and
twenty (120) but not more than one hundred and sixty
(160) teachers in the white elementary schools, there shall
be appointed three supervising teachers or helping teach-
ers; in each county employing more than one hundred and
sixty (160) teachers in the white elementary schools, there
shall be appointed one supervising teacher or helping
teacher for each additional fifty (50) teachers or major
fraction thereof, in the white elementary schools; and these
supervising teachers or helping teachers shall receive such
compensation as the county board of education shall direct;
provided that no person shall be eligible for appointment
as supervising teacher or helping teacher who does not hold
from the State Superintendent of Schools a certificate in
supervision as provided for in Section 85 of this Article;
nor shall the appointment of any person by a county board
of education as supervising teacher or helping teacher be
valid without the written approval of the State Superin-
tendent of Schools. And provided, further, that no super-
vising teacher, appointed under the provisions of this sec-
tion or continued in office under the provisions of this
section, shall be paid an annual salary of less than two
thousand and forty dollars ($2, 040), and if he or she has
acted as supervising teacher in the State of Maryland for
a period of four years, he or she shall be paid an annual
salary of not less than two thousand three hundred and
forty dollars ($2, 340); and if he or she has acted as super-
vising teacher in the State of Maryland for a period of
seven years, he or she shall be paid an annual salary of not
less than two thousand six hundred and forty dollars
($2, 640). With the approval of the State Superintendent
of Schools, county boards of education may employ helping
teachers under the conditions for supervising teachers pre-
scribed in this section at an annual salary of six hundred
dollars ($600) less than that paid to supervising teachers.