PUBLIC EDUCATION. 2471

and has taught in the public schools of the State of Maryland for a period
of three years, such principal shall receive a salary of not less than twelve
hundred and fifty dollars ($1,250) per school year; provided, further, that
if such principal holds an elementary school principal's certificate of the
first class, and has taught in the public schools of the State of Maryland for
a period o'f five years, such principal shall receive a salary of not less than.
thirteen hundred dollars ($1,300) per school year; and provided, further,
that if such principal holds an elementary school principal's certificate of
the first class, and has taught in the public schoolsof the State of Maryland
for a period of eight years, such principal shall receive a salary of not less
than one thousand three hundred and fifty dollars ($1,350) per school year.
And provided, further, if an elementary school employs six full-time
teachers and has maintained an average daily attendance of two hundred
pupils during the preceding year, the principal of such elementary school
shall receive at least two hundred dollars ($200) more per school year than
the foregoing schedule requires; if an elementary school employs ten full-
time teachers and has maintained an average daily attendance of three
hundred and sixty pupils during the preceding year, the principal of such
elementary school shall receive at least four hundred dollars ($400) more
per school year than the foregoing schedule requires. And provided, fur-
ther, that all increments with service are compulsory only for teachers and
principals whose certificates are rated as first class by the county super-
intendent.

Elementary school teachers employed on provisional certificates of the
third grade may be paid one hundred dollars ($100) per school year less
than the foregoing schedule requires, and in any county such teachers shall
be paid at least one hundred dollars ($100) per school year less than shall
be paid in such county to fully qualified elementary school teachers of
that grade.

Elementary school teachers employed on provisional certificates of the
second grade may be paid one hundred and fifty dollars ($150) per school
year less than the foregoing schedule requires, and in any county such
teachers shall be paid at least one hundred and fifty dollars ($150) per
school year less than shall be paid in such county to fully qualified elemen-
tary school teachers of that grade.

Elementary school teachers employed on provisional certificates of the
first grade and elementary school principals 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 teachers and prin-
cipals shall be paid at least two hundred dollars ($200) per school year
less than shall be paid in such county to fully qualified elementary school
teachers of that grade and to fully qualified elementary school principals.

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 teacher regularly employed at the time this section or any
re-enactment thereof, to and including the re-enactment of 1922, goes into
effect shall be diminished by reason of any of the provisions of said section
or such re-enactment, but every teacher or school principal shall be entitled