Students and teachers sit at rectangular tables in the newly renovated Science and Library Center
Upper School athletes pose in their baseball, lacrosse and tennis uniforms on a green field with a fence in the background
A third grade girl with long brown hair sits smiling at her desk while writing on a piece of paper with a pencil

Key School is founded upon the conviction that children are innately curious about themselves and the world; they want to learn, they want to discover, and they want to create.

Explore Our Divisions

First School, 2.5 yrs old - Kindergarten

Our First Schoolers delight in a caring, play-based introduction to school taught by experienced early childhood educators and specialists in science, language arts, music, art, PE, Life Skills, MakerSpace, and library. Each day at Key comprises new adventures – in and out of the classroom – with teachers who place the highest priority on building self-confidence and developing the whole child. 

Discover Key's First School

Lower School, Grades 1-4

The excitement and enthusiasm for learning in our Lower School extends well beyond the classroom walls. Students are consistently encouraged to question, hypothesize, reason, problem-solve, and work with their classmates and teachers to grapple with new ideas –  all while having fun. With an emphasis on experiential learning, students develop a positive attitude toward school, learning, and themselves.

Discover Key's Lower School

Middle School, Grades 5-8

Our Middle School students immerse themselves in our renowned academic program that emphasizes collaboration, inquiry-based learning, interdisciplinary studies, and a global perspective. At the same time, they experience meaningful connections with their teachers and peers, value and respect the differences of others, and forge a positive outlook on learning and their future. Key offers a community environment where excellence, self-confidence, empathy, and joy are nurtured.

Discover Key's Middle School

Upper School, Grades 9-12

Hands-on experiences both in and out of the classroom and a renowned academic curriculum propels Upper School students to unparalleled outcomes and instills in them the skills and confidence necessary to be leaders at Key School and in life.

Discover Key's Upper School

The Key Difference

Learn what makes Key one of the most sought-after educations in Maryland.

Personalized Learning


Small class sizes in a tight-knit community allow teachers to know their students well and tailor learning to their strengths, needs and interests.

Foundational Curriculum, Innovative Approach


Key’s innovative approach to teaching and learning sets us apart from other independent schools.

Unparalleled Student Outcomes

various athletes standing together

Key’s renowned academic program emphasizes inquiry-based learning, interdisciplinary studies, and produces unparalleled student outcomes.

Diverse, Inclusive Community


Key School has a long tradition of welcoming and supporting students and faculty from all backgrounds and experiences.

In Their Own Words


Current Parent

"It’s truly the whole package of strong academics, the family experience, and a caring faculty."


Key Alum

“My job in tech is to create solutions to new problems - a skill I attribute to Key's multidisciplinary curriculum." 


Class of 2023 Graduate

“I feel completely at home with my peers, teachers and coaches who support and guide me every day.”


Upper School Humanities

"I love the shared intellectual curiosity at Key; being constantly challenged to engage and grow."

Key by the Numbers


Student-to-Faculty Ratio


Families Receiving Financial Aid


Of Graduates Earned College Merit Scholarships


Students of Color


League Championships


Of Faculty Have Advanced Degrees


Average SAT Score
(national average is 1051)


Key Acceptance Rate
(local private school acceptance average is 80%)