Lake Castle Slidell Private School
Independent Catholic school · Grades Pre-K–8
Slidell, LA
59461 Thompson Rd, Slidell, LA 70460
Overall grade: B-
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- BClass size
- B-Years serving families
- A-Diversity
What stands out
- One of 3 Catholic schools in Slidell
In Slidell, Louisiana, Lake Castle Slidell Private School is an independent Catholic school for students from pre-K through 8th grade. About 336 students attend, with roughly 16 students per teacher. The school is part of the Archdiocese of New Orleans. The school day runs about 7.5 hours, 180 days a year. Louisiana has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 336
- Teachers
- 21.3 (full-time equivalent)
- Students per teacher
- 15.8
- Boys and girls
- Coed · 146 girls, 190 boys
- Religious affiliation
- Catholic · Independent Catholic school
- Diocese
- Archdiocese of New Orleans
- School day
- About 7.5 hours
- School year
- 180 days
- Library
- Yes
Reviews
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How it compares
- Larger than 55% of Catholic elementary schools in Louisiana.
- Compared with 83 Catholic elementary schools in Louisiana.
Students by grade
Student body
Help paying tuition in Louisiana
These state programs can help pay private school tuition. Only participating schools can accept them, so ask Lake Castle Slidell Private School whether it takes part.
- LA GATOR Scholarship Program · Voucher or scholarship
- Tuition Donation Credit Program · Tax-credit 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 Lake Castle Slidell Private School
What grades does Lake Castle Slidell Private School serve?
Lake Castle Slidell Private School serves grades Pre-K–8.
How many students attend Lake Castle Slidell Private School?
About 336 students, with 16 students per teacher, according to official records.
How much is tuition at Lake Castle Slidell Private School?
Call the school to ask about tuition, financial aid and payment plans. Louisiana 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
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