Riverstone Montessori Academy
455 Casteel Rd Sw, Marietta, GA 30064Open, per Google (checked Sep 20, 2026)
Key facts
- Tuition
- Not published
- Grades
- Ungraded
- Students (K-12)
- 72
- Students per teacher
- 12
- Affiliation
- Nonsectarian
- From Marietta center
- 6.9 miles
Can you use Promise Scholarship here?
✓ On the official Georgia Promise Scholarship list
- State list
- Includes this school
- 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: the official list, dated April 23, 2026.
What you would pay here
- Net cost
- Not worked out: no verified 2026-27 tuition yet. Check the school’s website
School facts
- Teachers
- 6
- Student body
- Coeducational
- Program
- Montessori
- Boys and girls
- 46% boys, 54% girls
- Setting
- Suburb
- Member of
- American Montessori Society, Association Montessori International
- Accreditation, state list
- Accredited by GAC, per the Georgia Promise Scholarship participating private schools list for 2026-27, approved as of April 23, 2026.
- Accreditation: the state’s list.
- School facts, kindergarten to grade 12: U.S. Department of Education, NCES Private School Survey 2023-24, read September 20, 2026.
Where this comes from. Something wrong? Tell us and we will fix it.
Students and school year
Enrollment over time
- 2019-20 to 2023-24
- 118 to 72, down 46 (39%)
- Path
- Fell in each survey (110 in 2021-22)
The school year
- Days in the school year
- 180
- Length of the school day
- 7 hours
- Hours of school a year
- about 1,260
- Classes, 2023-24
- In person
- Library or media center
- Yes
- Year, against Georgia
- Same as the median of the 575 private schools we list
- School day, against Georgia
- About the median of 7 hours (583 schools we list)
How it compares
- Students per teacher
- 12 here; median 8.2 at 279 GA combined schools
- Size in Cobb County
- Larger than 15 of 38 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.
Riverstone Montessori Academy tuition, and what Promise Scholarship pays
- Published tuition
- No verified figure yet. Check the school’s website
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 Riverstone Montessori Academy?
Use $0 or more.
Tuition and fees Promise Scholarship pays You pay per year Spread over 10 months
- Ask the school
- Its full-year tuition and required fees; whether it still takes Promise Scholarship for 2026-27; its application deadline. More questions to ask
Other private schools nearby
| School | Grades | Students | Miles |
|---|---|---|---|
| Midway Covenant Christian School | PreK-8 | 247 | 1 |
| Dominion Christian High School ✓ | 6-12 | 258 | 3 |
| Montessori at Brookstone School | PreK-K | 14 | 5 |
| Omega Private Academy Acworth ✓ | 2-12 | 24 | 5 |
| Chroma Early Learning Academy of West Cobb ✓ | On the state list; not in the federal survey | 5 | |
| The Cumberland School - Upper School | 6-12 | 75 | 5 |
| In His Image Christian Academy ✓ | PreK-11 | 14 | 6 |
| Princeton Preparatory Schools | PreK-1 | 26 | 6 |
On the program’s official list Other private schools
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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