Oregon Kindergarten Age & School Start Calculator
When can your child start kindergarten in Oregon? The answer depends on your school district. Choose from the 2 districts checked below to see their starting year and estimated Grade 12 finish.
Starting kindergarten in Oregon
Each Oregon district sets its kindergarten entry policy. September 1 is common, but it should not be assumed for every school. Choose a listed district to use its published date.
Official sources →Estimated school pathway
This estimate assumes your child moves up one grade each year. An early or delayed start, repeating or skipping a grade will change the dates. Check starting arrangements and graduation requirements with your child’s school.
The table follows Kindergarten through Grade 12, moving up one grade each year. The grades included in elementary, middle and high school vary by district.
| School year | Year / class | Education stage | Age reached in starting calendar year |
|---|
Sources checked: 2026-10-22 · 2026-10-22.2
- Beaverton School District · September 1 · Official sources
- Portland Public Schools · September 1 · Official sources
How school entry works
Your child’s birthday helps determine which school year they can start. Use the state or district guidance on this page; applying early does not change the birthday cutoff.
The table follows Kindergarten through Grade 12, moving up one grade each year. The grades included in elementary, middle and high school vary by district.
Before you enrol
Check which school serves your address, when applications open and which documents you need. If you are applying for an early start, ask about the assessment and its deadline.
What this estimate does not decide
Being old enough to start does not guarantee a place at your preferred school. A later start, a transfer or repeating a grade can change the timeline. Your child must also meet their school’s graduation requirements.
Questions parents ask
What age does my child need to be to start kindergarten in Oregon?
Each Oregon district sets its kindergarten entry policy. September 1 is common, but it should not be assumed for every school. Choose a listed district to use its published date.
Why is my Oregon school district missing?
We currently cover 2 Oregon districts. Missing yours? We have not checked its published admissions policy yet. Ask your school for its kindergarten age requirement and birthday cutoff; choosing a nearby district could give the wrong answer.
What if my child’s birthday is after the cutoff?
They will usually start the following school year. Some states or districts allow an earlier start after an application or assessment. Read the guidance on this page and ask your school before making plans.
Does this calculate my child’s graduation year?
It estimates the year your child would finish Grade 12 if they move up one grade each year. Graduation also depends on course credits and other school requirements.
Is the birthday cutoff the enrollment deadline?
No. The birthday cutoff decides age eligibility. Your school’s enrollment or school-choice deadline tells you when to apply, which may be months before school starts.
Official sources
Sources checked: 2026-10-22 · 2026-10-22.2