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Sidwell Friends admits most new students into a small set of expansion grades. For the Middle and Upper School those are sixth, seventh, and ninth, with roughly 16, 16, and 30 to 35 new places respectively. Every other grade depends on a current student leaving. Choosing the right entry point is the single largest factor a family actually controls.
What Are Expansion Grades at Sidwell Friends?
Most selective day schools grow at particular moments rather than continuously, and Sidwell is unusually transparent about where those moments fall. The School publishes its expansion grades and the approximate number of new students it takes into each.
| Entry grade | Approximate new places | Division |
| 6th grade | 16 | Middle School |
| 7th grade | 16 | Middle School |
| 9th grade | 30-35 | Upper School |
| All other grades | Only when a current student leaves | Middle and Upper School |
Ninth grade is roughly twice the size of either middle school entry point, which is worth holding in mind when families weigh how competitive these schools really are. The raw number of seats tells you more than any circulating acceptance-rate figure, particularly since Sidwell publishes no acceptance rate of its own.
Choosing Between Applying to Sixth, Seventh, and Ninth Grades
There is no universally correct answer, and any consultant who gives you one without meeting your child is guessing. A few honest considerations apply.
Applying at sixth or seventh gives a student a longer runway inside the School and a gentler transition into Upper School expectations, but the cohorts are small and competition for 16 places is fierce. Ninth grade offers materially more room, and a student who has matured academically between eleven and fourteen may simply present better then. Against that, a student entering at ninth joins a class where many peers have been together for years.
One practical point often missed: applying to a Middle School entry grade and being declined does not bar a later application at ninth. Families sometimes treat a first attempt as final when it is not.
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Applying Outside an Expansion Grade
It is possible, but you should go in clear-eyed. Places in non-expansion grades open only when a current student departs, and Sidwell notes that it enjoys a high retention rate, so those places may not materialize at all. The School contacts families about visits and interviews if and when attrition occurs. Applications for these grades run to a later deadline of January 30. Sidwell describes enrolling a twelfth grade student as something that happens only rarely.
Families relocating to Washington should note a related policy: the School does not reserve places for families moving to the area after the admissions season. If a move is on the horizon, begin the application from wherever you currently are rather than waiting until you arrive.
Building Your Timeline Backward
Once you have chosen an entry grade, the calendar is fixed and tighter than it looks. Working backward from the December 31 close is the only sensible way to plan a private school application.
- August: applications open. Create the Ravenna account and start the Family Information Form.
- September and October: your child builds the relationships with math and English teachers who will write for them.
- November 1: the earliest date recommendation requests may be sent. Anything earlier is rejected.
- December 1: Family Information Form due.
- December 15: assessment registered, recommendations requested, prior-year records filed, parent meeting booked.
- December 31: applicant video, current-year first quarter report card, and testing submitted.
- January 30: the later deadline, for non-expansion grades only.
- March: admitted students attend a full shadow day.
The November 1 embargo is the detail that catches families out most often, because it means the relationship work has to happen in September and October. Deciding when to start the admissions process is therefore less about the deadline and more about the term before it.
A Final Thought
Entry grade is the rare admissions variable that is genuinely within your control, and it is routinely decided by default rather than by strategy. If you are weighing Sidwell against other strong private schools in Washington, DC, the timing question deserves as much thought as the school question.
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