Welcome to Martensdale-St. Marys Junior/Senior High School!

At Martensdale-St. Marys Junior/Senior High School, we believe there is something truly special about being a Blue Devil—a deep sense of pride, connection, and shared commitment that unites our students, staff, families, and the broader community. We are more than just a school; we are a family that supports one another in and out of the classroom, celebrating achievements, navigating challenges, and growing together.

From the cafeteria to the classroom, and from the stage to competition, you'll find a culture of care and excellence that sets MSTM apart. Our size enables personalized learning, fosters meaningful relationships, and cultivates a strong sense of belonging, while still offering exceptional programs and opportunities.

Points of Pride

• Strong Graduation Success: MSTM maintains a four-year graduation rate average of 88.89%, outperforming the average high school rate of 88.3%. Our dedicated staff and support systems are focused on helping every student cross the finish line.
• Technology-Driven Learning: All students in grades 6–12 are issued Chromebooks, supporting innovative instruction, digital literacy, and equity in access to modern learning tools.
• Highly Qualified, Student-Centered Staff: Our educators are passionate, experienced, and fully invested in student growth. 100% of our teaching staff meet or exceed performance expectations, backed by instructional support teams providing academic, social, and emotional care.
• Top-Tier Facilities: Our facilities are among the best in Class 1A, offering modern, well-maintained spaces that enhance learning, competition, creativity, and collaboration.
• Success Beyond the Classroom: MSTM students shine in athletics, fine arts, and leadership. We're proud of our well-rounded programming and the consistent success our students achieve in sports, music, drama, speech, and more.
• Innovative, Student-Focused Scheduling: MSTM operates on a traditional eight-period day within a four-day instructional week. This structure is designed to provide greater consistency, increase access to electives, and enhance time management, all while prioritizing student wellness.

Why Choose MSTM?

At MSTM, students aren't just prepared for tests—they're ready for life. We emphasize academic rigor, character development, and community service. Our small-school environment provides individualized attention while still offering the diverse benefits and opportunities of a larger school.

The Blue Devil Difference: We believe in the power of relationships. Here, students are known, valued, and supported by staff who go the extra mile to ensure their well-being. Whether your student is interested in STEM, the arts, athletics, leadership, or career pathways, they will find a place to belong and thrive at MSTM.

Visit Us

There's so much more to our story than we can share on a single page. We welcome visitors year-round and offer tours by appointment. Walk our halls, meet our staff, and see the Blue Devil difference for yourself.

We're proud to serve the students and families of Martensdale-St. Marys—and we'd love to welcome you to our community!