'We became part of the Trinity School community when our older daughter started Kindergarten. Sixteen years later, we’re saying goodbye as our younger daughter graduates with honors. It’s a bittersweet moment, but no matter where life takes our girls, Trinity will always be with them.
This journey has been filled with academic growth, spiritual development, and strong character-building. Trinity shaped our daughters into confident, kind, and thoughtful young women. As parents, we are deeply grateful for the values Trinity helped us instill, the incredible teachers, and the friendships that will last a lifetime.' ~Trinity Parent
Top 10 Reasons Families Choose Trinity School
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Private Catholic School in Howard County
Faith-based education for students from PreK 3 through 8th grade
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Academic Excellence
Rigorous curriculum that prepares students for top high schools in Maryland
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Small Class Sizes
Teachers know each student and provide focused support for growth
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Faith-Centered Community
Students develop moral values, compassion, and a commitment to service
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Comprehensive PreK–8 Education
Seamless academic journey in one nurturing environment
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Student Growth & Enrichment
Programs encourage curiosity, leadership, and skill-building
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Proven High School Placement
Graduates earn merit-based scholarships and excel on the High School Placement Test
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Inclusive & Welcoming Environment
Every student is known, valued, and supported
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Scenic Campus & Facilities
48-acre campus in Ellicott City provides a safe, inspiring setting for learning and play
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A Community Where Students Thrive
Trinity is a place where children grow academically, socially, spiritually, and emotionally
Admissions Open House Dates 2026-2027 will be coming soon.
Join Trinity School for one of our Open Houses this 2026-2027 school year. We are excited to welcome you onto campus for a personalized tour. Please call to register for the Open House by calling our admissions office at 443.498.5040 or you can send us an email at [email protected].
- Saturday, October 3 from 9 to 11AM – Fall Festival on campus to follow
- Wednesday, November 4 from 9 to 11AM
- Monday, February 1 from 9 to 11AM – Catholic Schools Week Open House
- Wednesday, March 3 from 9 to 11AM
- Wednesday, April 7 from 9 to 11AM
If you cannot make one of our Open House dates, give our Director of Admissions a call to schedule a tour that works for you!
The application deadline is February 1st each year for all grades. We will accept applications past that date if space is available.