It's more than an education ...

it's faith, values and family too!

Mission 
St. Mary Catholic School engages the whole student and family enabling children to grow spiritually and emotionally, achieve their full academic potential, and discover God’s plan.

Vision
St. Mary Catholic School lives and proclaims the Gospel of Christ and the tradition of the Church. We integrate knowledge and truth with the Gospel values in all areas of school, family, and community. We are united as individuals created in God’s image to foster and develop responsible members of society: spiritually, academically, physically, emotionally, and socially.

St. Mary School DeKalb is closed for the month of June. We are checking voicemails and emails regularly and will respond as soon as possible. We will resume in-office hours on Tuesdays and Wednesdays from 9:00 AM to 3:00 PM beginning July 8.

Enrollment for the 25-26 school year is open! Use District code SMDK-IL when logging in.

Little Lancers

K - 8th Grade
Little Lancers 3yr old Preschool is a 3-day program, full day.

Our 4yr old PreKindergarten program has 3-day and 5-day options. Both are full day programs.
St. Mary is fully accredited and provides a comprehensive education from Kindergarten to 8th Grade. Teachers reinforce God’s unique purpose for students while emphasizing academic excellence.

Partnerships & Cutting-Edge Technology

Thanks to our partnership with NIU's Department of Educational Technology, Research, and Assessment, our middle school students explore the transformative potential of artificial intelligence (AI). They develop coding, problem-solving, and computational thinking skills using LEGO Spike Kits and tools like Google Teachable Machines. From training AI models to building AI-driven games, students gain a deep understanding of AI’s capabilities, limitations, and ethical implications, preparing them for a technology-driven future.

Upcoming Events

St. Mary School Presents Finding Nemo Kids on July 18 & 19

Friday General Admission - Finding Nemo Kids

$5.25

St. Mary School presents Disney's 101 Dalmatians, Kids, a summer musical performance Friday. 7/18 at 6 p.m. at St. Mary School - 210 Gurler Rd., DeKalb, IL


Doors will open 20 mins prior to showtime. There will be no saving of seats prior to doors opening. This will be strictly enforced.


*Price includes processing & transaction fees. You can pay at the door with cash/check to avoid the $.25 fee per ticket.

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Saturday General Admission - Finding Nemo Kids

$5.25

St. Mary School presents Disney's Finding Nemo, Kids, a summer musical performance Saturday, 7/19 at 11 a.m. at St. Mary School - 210 Gurler Rd., DeKalb, IL


Doors will open 20 mins prior to showtime. There will be no saving of seats prior to doors opening. This will be strictly enforced.


*Price includes processing & transaction fees. You can pay at the door with cash/check to avoid the $.25 fee per ticket.

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School Supply Drop Off
​& Ice Cream Social
August 11, 5:00 - 7:30 p.m.
​
Let’s kick off the new school year with smiles, sprinkles, and school spirit. We can’t wait to see our Lancers back on campus!
  • Meet your teachers
  • Say hello to classmates
  • Lighten your load by dropping off school supplies
  • and cool off with FREE ice cream

School Toolbox is live and ready for orders!

Want to skip the store, avoid the stress, and make back-to-school shopping as easy? Order your child’s school supplies through School Toolbox and get everything delivered straight to your door — labeled, packed, and teacher-approved! It’s quick. It’s easy. It’s one less thing on your summer to-do list!

St. Mary School Calendar

2023-24 Accomplishments at a Glance

• Jack R (7th grade) placed 4th in the DeKalb County Spelling Bee.​
• All six (7th grade) students who presented at the Regional Science Fair earned first place.
• Arissa B., Charlie D., Aiden G., Norah M., and Jack R. will advance to the IJAS State Science Fair.
• Nine students advanced to the Regional History Fair. Congratulations to Braden J., Nick J., Henry K., Louis K, Addison S., Miranda S., Danielle W., Addie W., and Kennedi W.
• Congratulations to Danielle W.  for her website titled “The Egyptian Theater” placing as a State Finalist at the State History Fair.
• Students completed the ITBS testing  in March 2024. Our 8th grade students composite score was an 11.8 or Junior year, 8th month. 

2024-2025 Accomplishments at a Glance

• Congratulations to Arissa B., Charlie D. & Norah M. (website), Chase R. & Jack R. (documentary), Ella A. (performance)  for advancing on to the Illinois State History Fair Competition. 
• Congratulations to Arissa B. for placing as a finalist at the Illinois State History Fair Competition for her outstanding work on her website project entitled "Executive Order 9066: The Legal Violations of Human Rights".
• Congratulations to Drake S. and Joshua B. for their first place rating at the IJAS Regional Science Fair and Congratulations to Charlie A., Lily P. &  Nadia E. for their second place rating at the IJAS Regional
Science Fair.
• View our ITBS test scores here. the “Composite Score” of all tests for our eighth grade is 13+, or equivalent to a high school graduate. 

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