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Tuiton & Fees

Investing in Education

Tuition at St. Christopher’s By‑the‑Sea is more than a number, it’s an investment in independence, confidence, and joy in learning. Flexible plans support families while sustaining the excellence of our Montessori program from Toddlers to Upper Elementary.

5,000

Registration Deposit

10% Parish Discount

(Eligibility required)

Sibling
discounts

Insurance

Plan A optional · Plan B/C included

A detailed overview of tuition rates and enrollment fees for the Montessori and IB programs at St. Christopher's in Key Biscayne, FL.

Payment plans

Switch between options to compare tuition by program.
Amounts reflect the 2026–2027 school year.

Deposit + fees:

Mar 1, 2026

Tuition in full:

Apr 1, 2026

Insurance:

Optional (not included)

Toddler Half Day$20,000 (**$292.50)
Toddler Full Day$22,000 (**$331.50)
Pre-K 3$22,000 (**$331.50)
Pre-K 4$22,000 (**$331.50)
Kindergarten$23,500 (**$360.75)
Lower Elementary$26,750 (**$424.13)
Upper Elementary$27,500 (**$438.75)

** Plan A: Tuition Insurance is optional (not included). If you opt out, tuition funds are not refundable.

Deposit + fees:

Mar 1, 2026

Tuition in full:

Apr 1, 2026

Insurance:

Optional (not included)

Toddler Half Day$20,904.20 (*$304.20)
Toddler Full Day$23,004.37 (*$344.37)
Pre-K 3$23,004.37 (*$344.37)
Pre-K 4$23,004.37 (*$344.37)
Kindergarten$24,576.50 (*$374.50)
Lower Elementary$27,991.76 (*$439.76)
Upper Elementary$28,779.84 (*$454.84)

*Tuition Insurance is required for all Plan B and Plan C payment plans. This payment will be included in the total tuition cost.

Deposit + fees:

Mar 1, 2026

Tuition in full:

Apr 1, 2026

Insurance:

Optional (not included)

Toddler Half Day$21,524.25 (*$316.25)
Toddler Full Day$23,697.63 (*$357.63)
Pre-K 3$23,697.63 (*$357.63)
Pre-K 4$23,697.63 (*$357.63)
Kindergarten$25,319.65 (*$388.65)
Lower Elementary$28,890.96 (*$456.96)
Upper Elementary$29,646.41 (*$471.41)

*Tuition Insurance is required for all Plan B and Plan C payment plans. This payment will be included in the total tuition cost.

Toddler student engaging in independent learning activities inside a prepared Montessori classroom at St. Christopher's By-the-Sea in Key Biscayne, Florida.

Registration deposit

$5,000 due upon enrollment (applied toward tuition).

Discounts

Parish Discount — 10% Eligibility :

You are required to be a regular in worship and have made and completed a pledge to the mission and ministry of the Parish in the previous calendar year (2025).

Sibling discounts

  • Second child enrolled: $300
  • Three or more children enrolled: $525

Frequently Ask Questions

When are tuition deadlines?
  • Plan A: deposit/fees Mar 1, tuition Apr 1.
  • Plan B: deposit/fees Mar 1, 50% Apr 1, balance Sept 1.
  • Plan C: deposit/fees Mar 1, nine payments Apr 1–Dec 1.

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