Welcome to Aeries Online Enrollment
Charter Oak USD District logo

Pre-enrollment for the 2024-2025 school year is now open.

Mt. SAC Summer School: If you are from outside COUSD and interested in attending the Mt. SAC summer school located at  COHS, please move forward in filling out our online enrollment.  Contact: klopez@cousd.net or 626-915-5841 ext. 30223 after filling out the online portion of enrollment and express your interest in attending summer school.

If you are already enrolled in COUSD and interested in attending summer school, please contact your counselor.


Charter Oak Online Enrollment allows you to quickly start the process of enrolling a student for school. Information about the student such as emergency contacts, medical and language information will be collected. Upon completion, a message is sent to the school site. The site office staff will then need the parent to bring in all the required documentation to finish the enrollment process.

Click Here: District and Elementary Boundaries by Street Address

Note: If you live outside the Charter Oak Unified School District boundaries, please complete an Inter-District Transfer before proceeding through the Online Enrollment (AIR) process. The Inter-District Transfer form can be obtained through Student Services 626-966-8331 ext. 90556 or from any of our school offices.

To get started enrolling a new student click the 'Enroll A New Student' button.

If you would like to reprint or review students previously enrolled, click the Login button. (Please note that this the Online Enrollment System and not the same as Aeries Parent Portal.)


Technical Problems? eMail portalsupport@cousd.net