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Substitute Services

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Frontline/AESOP is a calling system that is utilized by Human Resources to coordinate substitutes and track employee absences.  All employees must use Frontline/AESOP to report their absences, vacations and/or leaves.  All employees (classified, certificated and substitute) are assigned an ID and PIN number. 

The AESOP telephone number is 1-800-942-3767.
You can also access the Frontline/ASEOP system via the Internet at:

If you have questions regarding AESOP or your ID and pin, please call:
Colleen Mulligan, Human Resources Technician
Misty Reitz, Human Resources Technician
916-566-1600 ext. 32109

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