EMERSON C. HARRINGTON, GOVERNOR. 1029

tificate who has not completed at least six weeks of professional
preparation in a standard institution, nor shall such certificate
be issued to any person under eighteen years of age. Pro-
vided further that this certificate may be renewed for a period
of two years on evidence of successful experience and comple-
tion of not less than six weeks of additional academic and pro-
fessional preparation in a standard institution. This certifi-
cate may be renewed for a second time for a period of three
years, next succeeding or otherwise, on evidence of successful
experience and completion of not less than six additional weeks
of academic and professional preparation in a standard insti-
tution, and so on for an indefinite number of three-year pe-
riods, successive or otherwise; but this certificate may not be
issued a second time to the same person on examination.

(10) An elementary school teacher's certificate of the third
grade, valid for two years in the elementary schools of the
state, may be issued to persons having had less than a stand-
ard high school course, on examination in reading, spelling,
penmanship, arithmetic, oral and written English, geography,
history of the United States and Maryland, community civics,
hygiene and sanitation, the theory and practice of teaching,
and such other subjects as may be required by the state board
of education. Provided that no applicant shall be granted such
a certificate who has not completed at least six weeks of pro-
fessional preparation in a standard institution, nor shall such
certificate be issued to any person under eighteen years of age.
Provided that this certificate may be renewed for one year on
presentation of evidence of successful experience and comple-
tion of not less than six weeks of additional academic and pro-
fessional preparation in a standard institution. Provided fur-
ther that this certificate may be renewed for a second time for
a period of three years, next succeeding or otherwise, on evi-
dence of successful experience and completion of an additional
six weeks of academic and professional preparation in a stand-
ard institution, and so on for an indefinite number of three
year periods, successive or otherwise; but this certificate may
not be issued a second time to the same person on examination.

(11) County superintendents of schools may, with the ap-
proval of the state superintendent of schools, in cases of emer-
gency, issue provisional certificate of the different kinds and
grades, but a provisional certificate shall be valid only until
the next state examination, and a provisional certificate may
not be renewed unless such renewal is approved by the state
superintendent of schools.