Welcome to Aeries Online Enrollment
WUSD Internet Enrollment District logo

This online enrollment form is for students new to the Windsor Unified School District.  Please use this enrollment form to enroll your new student to any of the schools listed below.  Please note: If you have a student currently enrolled in a Windsor Unified School District school, including a child in Transitional Kindergarten or Kindergarten, please exit this form. You will instead complete the summer re-enrollment process for continuing students when prompted to do so before the start of the new school year.

  • Mattie Washburn Elementary
  • Brooks Elementary
  • Windsor Middle School
  • Cali Calmécac Language Academy
  • Windsor High School
  • Northbay Met Academy


 Aeries Online Enrollment allows you to quickly begin the process of registering a new student for school. Student data is entered such as emergency contacts, previous school information and home language. Upon completion, this data is sent electronically to the school.

 To start registering a new student, click the "Enroll a New Student" button. If you wish to reprint or review student information for a previously enrolled student, click the Login button.  You will be prompted to upload a copy of your students Birth Certificate 2 types of Proof of Residency (ex. Water Bill, Utility Bill, Mortgage Statement) and most recent Immunization Record.  If you are unable to upload these documents you will be asked to provide them when you arrive at the school of enrollment.  The online process generally takes 20-30 minutes. If you are unable to complete the process once you’ve begun, you can log out and resume the process later.

If you are applying at Cali Calmécac Language Academy, filling out this enrollment form does not guarantee admission. The school will contact the family of each accepted student separately.

If you have any issues registering your new student online, please check that your browser is up to date. We recommend Google Chrome, which you may download here *Google Chrome Download

Can I enroll for next year?

Online pre-enrollment for the 2022-2023 school year will open on January 19, 2022 for the Transitional Kindergarten and Kindergarten programs at Mattie Washburn Elementary School and Cali Calmécac Language Academy. Due to their enrollment limit, Cali Calmécac Language Academy will close online pre-enrollment on February 8, 2022. Mattie Washburn Elementary online pre-enrollment will remain open indefinitely. 

To enroll in Kindergarten, a student must turn 5 years old on or before September 1, 2022.

To enroll in Transitional Kindergarten, a student must turn 4 years old on or before September 1, 2022.  When enrolling your student for Transitional Kindergarten or Pre-K after you enter your child's birthday, Pre-School will automatically populate.  YOU MUST CHANGE THIS!  To make the change from Preschool to Pre-K or TK click the Please select a grade level or program to enroll this student in dropdown and choose Pre-K and TK.  If you don't make this change you will not be able to select schools Mattie Washburn or Cali Calmécac Language Academy when you get to the Select School Tab . 

What do I do after completing the online data entry process?

Cali Calmécac Language Academy:

There are THREE steps to complete a registration:

STEP 1: Watch two videos and answer questions about what you saw. 

STEP 2: Complete the online pre-enrollment through WUSD.

STEP 3: If you are unable to upload the required documents. below you can drop off your paperwork.   You may bring it to our Attendance Window by buzzing into the front gate or by dropping it off in our new secure box that should be installed in January. Our address is 9491 Starr Road. If you need assistance with making copies of your paperwork, please reach out to us during the weeks of January 19 through February 8.

Required paperwork:

  1. Confirmation of pre-enrollment from step 2.

  2. Proof of your child’s age and identity (birth certificate or other acceptable documentation).

  3. Immunization Records - This is just to obtain an initial record of your child's immunizations. You do not need to be up-to-date on immunizations quite yet. A physical exam and a dental exam will also be required before the first day of school. https://www.dhcs.ca.gov/formsandpubs/forms/Forms/ChildMedSvcForms/pm171a(bi).pdf      Oral Health Assessment/Waiver Request Form

  4. Proof of Residency - Any TWO of the following documents showing the name and address of the parent/guardian within the district. 

  • Property tax payment receipt

  • Rental property contract, lease, or payment receipt

  • Utility service contract, statement, or payment receipt (a cell phone receipt is not considered a utility)

  • Pay stub

  • Voter registration

  • Correspondence from a government agency

  • A notarized Declaration of Residency executed by the student's parent/guardian

  • A Declaration of Residency by the student if student is an unaccompanied youth as defined in 42 USC 11434a

     5.  A parent or guardian's photo ID.


If you have questions, please contact our office at (707) 837-7747 between the hours of 8am -3:00pm, Monday - Friday. Check our website calendar for any closures. 

Mattie Washburn Elementary School: Upon completion of the online pre-enrollment, if you were unable to upload the required documents please call the school office (707-837-7727) to make an appointment to drop off the documents to complete registration. Appointments for document turn-in will begin Monday, February 8, 2021, and will take place during regular office hours; 8:00am-3:00pm Monday through Friday. You will need to present:

  • Proof of your child’s age and identity (birth certificate or other acceptable documentation).

  • Immunization records to-date. We will review these and advise you on what immunizations may be needed prior to the first day of school. A physical exam and a dental exam will also be required before the first day of school. Exam forms will be provided to you at your in-person registration appointment, or you may access the two forms here: https://www.dhcs.ca.gov/formsandpubs/forms/Forms/ChildMedSvcForms/pm171a(bi).pdf      Oral Health Assessment/Waiver Request Form

  • Two proof of residency documents showing parent/guardian name and physical address. Acceptable documents include property tax payment receipt, rental/lease contract or payment receipt; utility service (PG&E, Town of Windsor water, garbage, cable TV) contract, statement or payment receipt; pay stub; voter registration or correspondence from a government agency.

If you prefer not to meet with a staff member in person, you may photocopy the registration documents yourself and place them in the mail slot in the front door of the school office. 

If you are unable to provide the required enrollment documents, your student may qualify for immediate enrollment.  Students that are unhoused, staying temporarily in someone else's home, foster youth, or migrant can enroll without providing the documents above.  Please reach out to site staff for assistance.