A probationary employee who, in any one school year, has served for at least 75 percent of the number of days the regular schools of the district in which he is employed are maintained shall be deemed to have served a complete school year. In case of evening schools, 75 percent of the number of days the evening schools of the district are in session shall be deemed a complete school year.
(Enacted by Stats. 1976, Ch. 1010.)