Mount De Sales Academy
Independent Catholic school · Grades 9–12
Baltimore, MD
700 Academy Rd, Baltimore, MD 21228
Overall grade: A
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- A-College-going
- A-Years serving families
- BDiversity
What stands out
- 90% of graduates go to four-year colleges
- Smaller classes than 73% of Catholic schools in Maryland
- Serving families in Baltimore since at least 2011
In Baltimore, Maryland, Mount De Sales Academy is an independent Catholic school for students from 9th grade through 12th grade. About 450 students attend, with roughly 9 students per teacher, smaller classes than 73% of Catholic high schools in Maryland. It has been listed in official private school records since 2011–12. The school is an all-girls school and is part of the Archdiocese of Baltimore. The school reports that about 90% of its graduates go on to four-year colleges. The school day runs about 6.5 hours, 172 days a year. Maryland has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades 9–12
- Students
- 450
- Teachers
- 49.3 (full-time equivalent)
- Students per teacher
- 9.1
- Boys and girls
- All girls
- Religious affiliation
- Catholic · Independent Catholic school
- Diocese
- Archdiocese of Baltimore
- School day
- About 6.5 hours
- School year
- 172 days
- Graduates going to 4-year colleges
- About 90% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
Be the first to share what you love about Mount De Sales Academy.
How it compares
- Smaller classes than 73% of Catholic high schools in Maryland (9 students per teacher).
- A smaller school: fewer students than 59% of Catholic high schools in Maryland.
- Compared with 22 Catholic high schools in Maryland.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
Help paying tuition in Maryland
These state programs can help pay private school tuition. Only participating schools can accept them, so ask Mount De Sales Academy whether it takes part.
- BOOST Scholarship Program · Voucher or scholarship
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about Mount De Sales Academy
What grades does Mount De Sales Academy serve?
Mount De Sales Academy serves grades 9–12.
How many students attend Mount De Sales Academy?
About 450 students, with 9 students per teacher, according to official records.
How much is tuition at Mount De Sales Academy?
Call the school to ask about tuition, financial aid and payment plans. Maryland has programs that can help pay private school tuition; ask whether the school takes part.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
Other private schools nearby
Watson Hall Montessori School
Montessori school · Grades Pre-K–3
The smallest classes of any Montessori school in Baltimore
Baltimore, MD0.4 mi
St. Mark School
Diocesan school · Grades Pre-K–8
Serving families in Catonsville since at least 2011
Catonsville, MD1.3 mi
Mount Saint Joseph High School
Independent Catholic school · Grades 9–12
95% of graduates go to four-year colleges
Baltimore, MD1.8 mi
Al-Rahmah School
Islamic school · Grades K–8
Serving families in Baltimore since at least 2011
Baltimore, MD1.8 mi
St. Paul Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–5
Smaller classes than 63% of Christian schools in Maryland
Baltimore, MD2.1 mi
The Baltimore Academy
Special education school · Grades 9–12
Small classes: about 6 students per teacher
Baltimore, MD2.3 mi