Arbor Montessori School, Decatur GA: PreK-8 Tuition

Tuition: On the school’s website
Grades: PreK-8
Students (K-12): 158
Students per teacher: 9.3
Affiliation: Nonsectarian
From Decatur center: 3.8 miles

All school facts and where they come from

Can you use Promise Scholarship here?

Not on the Promise Scholarship list we read

About the list: How the Promise Scholarship list works
Applying: The last 2026-27 window is November 1 to 30, 2026. It is open only to families at or below 400% of the poverty level, and awards from it pay for spring 2027 only. The 2027 calendar is due by December 15, 2026.

Source: Promise Scholarship official source, dated April 23, 2026.

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School facts

Teachers: 18
Student body: Coeducational
Program: Montessori
Boys and girls: 81% boys, 19% girls
Setting: Suburb

Member of: Association Montessori International

School facts, kindergarten to grade 12: U.S. Department of Education, NCES Private School Survey 2023-24, read September 20, 2026.

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Students and school year

Enrollment over time

2019-20 to 2023-24: 176 to 158, down 18 (10%)
Path: Dipped to 147 in 2021-22, then recovered part of the way

Students by grade, 2023-24 (pre-K is not in the K-12 count)

Largest grade: 5 grades (20 each)
Smallest grade: Grade 8 (12)
Average a grade: About 18

The school year

Days in the school year: 173
Length of the school day: 6 hours 30 minutes
Hours of school a year: about 1,120
Kindergarten: Full day, 5 days a week
Classes, 2023-24: In person
Library or media center: No
Year, against Georgia: 7 days shorter than the 180-day median of 575 schools we list
School day, against Georgia: 30 minutes shorter than the median of 7 hours (583 schools we list)

How it compares

Students per teacher

Students vs county median

Students per teacher: 9.3 here; median 8 at 184 GA elementary schools
Size in Dekalb County: Larger than 41 of 51 other schools we list

Student body, 2023-24

Shares of K-12 students by race and ethnicity, as NCES reports them.

Grades, school year and student body: U.S. Department of Education, NCES Private School Survey 2023-24, read September 20, 2026.
Earlier counts: NCES Private School Survey 2019-20 and 2021-22, read October 14, 2026.
Comparisons: the private schools ChoiceFunded lists, as of this page’s last update.

Arbor Montessori School tuition, and what Promise Scholarship pays

Published tuition: On the school’s own tuition page (found September 29, 2026)

GA

Georgia Promise Scholarship Education savings account

Award: Up to $6,500 per student
How it varies: Paid in four quarterly installments.

Figures read from each program’s official pages, October 7, 2026. Sources and how to apply

What would you pay at Arbor Montessori School?

Yearly tuition the school quoted Fees, books, uniforms Promise Scholarship award Children

Ask the school: Its full-year tuition and required fees; whether it takes Promise Scholarship; its application deadline. More questions to ask

Other private schools nearby

School	Grades	Students	Per teacher	Affiliation	Miles
Cliff Valley School ✓	PreK-8	392	5.3	Nonsectarian	1
Annunciation Day School ✓	PreK-8	129	9.1	Greek Orthodox	1
Primrose School of Druid Hills	PreK-K	7	7	Nonsectarian	2
The Loom School	K-8	27	6.3	Nonsectarian	2
Intown Community School ✓	On the state list; not in the federal survey				2
Immaculate Heart of Mary School ✓	PreK-8	484	15.7	Roman Catholic	2
Shallowford Presbyterian School ✓	PreK-8	85	3.3	Presbyterian	2
Hess Academy	PreK-8	79	4.2	Nonsectarian	2

On the program’s official list Other private schools

Keep looking

Next Promise Scholarship date: Open now, until November 30, 2026 (Last 2026-27 application window (400% of poverty or less; funds spring 2027)).

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Arbor Montessori School

Key facts