PUBLIC EDUCATION. 2503

No white principal of a first group high school shall receive a salary
of less than one thousand five hundred and fifty dollars ($1,550) per
school year; provided, that if such principal holds a high school prin-
cipal's certificate of the first class and has served as principal of an ap-
proved high school of the first group in the State of Maryland for a
period of one year, such principal shall receive a salary of at least one
thousand six hundred and fifty dollars ($1,650) per school year; pro-
vided, if such principal holding such certificate has served as principal
of an approved high school of the first group in the State of Maryland for
a period of three years, such principal shall receive a salary of at least
one thousand seven hundred and fifty dollars ($1,750) per school year;
provided, if such principal holding such certificate has served as principal
of an approved high school of the first group in the State of Maryland
for a period of five years, such principal shall receive a salary of at least
one thousand eight hundred and fifty dollars ($1,850) per school year;
provided, that if such principal holding such certificate has served as
principal of an approved high school of the first group in the State of
Maryland for a period of seven years, such principal shall receive a salary
of at least one thousand nine hundred and fifty dollars ($1,950) per
school year. And provided, further, if a high school of the first group
employs six full-time high school teachers and has maintained an average
daily attendance of one hundred pupils during the preceding year, the
principal of such high school shall receive at least two hundred dollars
($200) more per school year than the foregoing schedule requires; if a
high school of the first group employs ten full-time high school teachers
and has maintained an average daily attendance of two hundred pupils
during the preceding year, the principal of such high school shall receive
at least four hundred dollars ($400) more per school year than the fore-
going schedule requires.

The principal of a high school of the second group shall be paid at
least two hundred dollars ($200) more per school year than the minimum
required for a regular high school teacher.

The principal of a high school of the third group shall be paid at least
one hundred dollars ($100) more per school year than the minimum re-
quired for a regular high school teacher.

High school principals and teachers employed on provisional certifi-
cates may be paid two hundred dollars ($200) per school year less than
the foregoing schedule requires, and in any county such principals and
teachers shall be paid at least two hundred dollars ($200) per school
year less than shall be paid in such county to fully qualified high school
principals and teachers.

The board of county commissioners of each county shall levy sufficient
funds to meet the scale of salaries provided for in this section; and the
salary of no high school teacher or principal regularly employed at the
time this section (as re-enacted in 1922) goes into effect shall be dimin-
ished by reason of any of its provisions, but every high school teacher or
principal shall be entitled to any increase in salary that may herein be
granted, from the time this section (as re-enacted in 1922) goes into effect.