Third grade, and the year they run the room
The third-grade year is where a Montessori classroom pays back the two years before it. The eight-year-old is the experienced one now — the child a six-year-old asks instead of asking the teacher — and teaching something to somebody else turns out to be how you find out whether you actually knew it.
What “third grade” means in a mixed-age classroom
Montessori classrooms are deliberately mixed-age, so “third grade” is a translation rather than a room. Your child is not in a class of thirty children born the same year, moving through the same page on the same morning. They are in a community spanning about three years, working at the level they are actually ready for — which for most children means ahead in some subjects and still consolidating in others. What follows is what the third-grade year typically looks like inside that structure.
The third-grade year at Mills
- Leadership as ordinary workNobody is appointed. In a room spanning three years the oldest children simply become the ones who know where things are, how a lesson goes and what the shelf is for. The explaining is real teaching, and it is the best consolidation available.
- Fractions and long division, made physicalTwo of the places where conventional math teaching loses children are handled here with materials first. A child who has divided a physical quantity into unequal parts has somewhere to put the notation when it arrives.
- Research becomes the main eventThird-graders take on questions that cannot be answered in a morning, find their own sources, and present what they found. That is a different skill from answering questions correctly, and it is the one that carries into middle school.
- Going out, deliberatelyMontessori elementary treats leaving the building to answer a question as part of the method rather than a treat — see going out.
- The end of a three-year cycle, not a graduationThird grade closes a cycle. At a school that stops at kindergarten this would be the second school search already; here the child moves up the corridor. See the three-year cycle.
Schedules and rates for elementary
Elementary rates are the same across every elementary year. Elementary runs as a full day or an extended full day — there is no morning-only elementary place on the published schedule. If you need something else, call the office at 650-616-9000 and ask rather than assuming either way.
| Schedule | Hours | Per month |
|---|---|---|
| Full day | 8:45 am – 2:30 pm | $1,400 |
| Extended full day | 7:30 am – 6:00 pm | $1,750 |
Monthly amounts. Annual tuition is based on a 180-day school year and may be paid in full for a discount — 5% before May 1st, 3% after — or in ten installments. A $450 annual materials and testing fee applies to kindergarten and elementary, plus a one-time $200 enrollment fee for new students.
- AgesAges 8–9
- HoursMonday to Friday, 7:30 am to 6:00 pm.
- WhereOne campus, 1400 Hillside Blvd., South San Francisco, CA 94080.
- EnrollmentOpen year-round, subject to availability.
- LicensedCalifornia Department of Social Services facility #414002135, ages two through fifth grade.
The year before and the year after
- Before this yearMontessori Second Grade — ages 7–8.
- After this yearMontessori Fourth Grade — ages 9–10.
- The whole programMontessori elementary at Mills, kindergarten through fifth grade.
What parents ask about third grade
- Is third grade the last year before we have to find another school?No. Mills continues through fifth grade, which is the reason most of our elementary families chose us over a closer preschool. Fourth and fifth grade are here.
- Will being one of the oldest hold my child back?The work is set by the child rather than the room, so a third-grader ready for fourth-grade mathematics does fourth-grade mathematics. What the senior year adds is the responsibility, not a ceiling.
- Can a child join in third grade?Yes, subject to availability, and enrollment is open year-round. Call the office on 650-616-9000 and we will talk through what settling in would actually look like for your child rather than in general.
Come and watch the elementary class work
Tours run mid-morning during the work cycle, year-round, by appointment.