“ Twenty-four days annual leave will be allowed each employee for each year after entry into service, and any annual leave not used prior to the end of the service year In which It is earned shall be thereafter In the same status and subject to the same rules as cumulative leave. ”

“ Teachers employed only during the school months, from October to June, Inclusive, may be granted not to exceed twenty-four days leave within those months to cover illness or emergency, but will not be entitled to any other leave with pay and will be entitled to no leave with pay from July to September, Inclusive. ”