🏅 AMI-trained · 中文 Authentic Montessori, in Mandarin
AMI-trained guides plus genuine Mandarin immersion is a distinctive combination — authentic Montessori with a second language built into the day. What AMI training means →
Green Staff transparency
Staff and credentials are disclosed across its campuses — just confirm which campus and teachers your child would have, since the program spans five locations.
Snapshot
See the school
Williamsburg & beyond
Ms. Lam's campuses cluster in North and brownstone Brooklyn — anchored in Williamsburg, with locations reaching toward Park Slope and Brooklyn Heights. Williamsburg itself is the converted-warehouse waterfront on the East River, served by the L and J/M/Z.
Overview
Ms. Lam Montessori is an independent, family-founded program that has operated since 1984 and grown to five Brooklyn campuses. Its distinguishing features are AMI-trained guides (the stricter Montessori credential) and genuine Mandarin immersion, running from toddler age through Grade 5 — a rare authentic-Montessori-plus-language combination.
Programs & ages
Toddler, 3–6 Primary, and lower-elementary through Grade 5, with Mandarin woven through daily life. Program availability differs by campus, so confirm which location offers your child's age group.
Tuition 2026–27
The comparable figure — full-day Primary (3–6) — is $39,500 for 2026–27; a half-day costs less and Elementary more. Ms. Lam is Mandarin-immersion across five small Brooklyn campuses, so confirm availability by location. Full schedule:
| Full day (8:00–3:00) | 2026–27 |
|---|---|
| mi Casa (18 mo–3) | $41,500 |
| Toddler & Primary (2–6) | $39,500 |
| Elementary (6–12, to 3:30) | $43,500 |
Half day (8:00–11:30): mi Casa $37,500 · Toddler & Primary $35,500. After-school care is extra. Compare on the tuition page.
Leadership & staff
As a long-running, credential-forward program, staff are disclosed across campuses. Given the multi-site structure, ask specifically about the guides at your chosen campus and their AMI training.
Accreditation & authenticity
AMI-trained guides put Ms. Lam at the more rigorous end of the Montessori spectrum, and the Mandarin immersion is authentic rather than an add-on. See our authenticity guide for how AMI compares to AMS and "inspired."
What parents say
Independent review volume is limited, but the school's standing rests on longevity, AMI credentials and immersion. Families choosing it are typically seeking serious Montessori plus Mandarin — tour the specific campus you're considering.
Heard around town
Signals from public parent forums and listservs. Forum chatter is opinion — take it with a grain of salt.
Admissions
An independent Brooklyn program — inquire and tour at your preferred campus directly. Our admissions timeline and planner help you stay organized.