Welcome to the Department of Computer Science at Johns Hopkins University, the nation’s first research institution. The department is dedicated to upholding the university’s long-standing tradition of excellence in research, education, and civic engagement.

Research-Focused

Our faculty and students collaborate across Johns Hopkins divisions, including with colleagues at the School of Medicine and the Applied Physics Laboratory, and are advancing discovery in areas ranging from AI, computational biology and medicine, and information security to machine learning, robotics, and speech and language processing.

Excellence in Academics

We offer BS, BA, and multiple graduate degree programs, which means our students can pursue a course of study that suits their specific interests and career goals while also ensuring that they have the foundational knowledge experience they need to achieve professional success—no matter what path they choose.

Active and Engaged Alumni

Join our community and you’ll be part of a global network of alumni that includes entrepreneurs and leaders in a wide variety of industries—from cutting-edge tech firms to finance and medicine—as well as in academia, all of whom are invested and involved in our students’ success.

Quick Facts

  • Students walking on Keyser Quad.

    706Undergraduate students

    Many of our undergraduates participate in research and work in laboratories.

  • Ryan Demo stands next to the Johns Hopkins University Homewood campus sign in graduation garb.

    307Master’s students

    We offer two highly-ranked master’s programs in computer science and information security, giving students the advanced technical skills they’ll need to take on leadership roles in the field.

  • Students in the Robotorium programming a robotic arm.

    245PhD students

    PhD students work closely with our faculty experts. We are proud to train the next generation of scholars in computer science research.

  • The Johns Hopkins University sign. Blue and white flowers are planted in front of it.

    #16Computer science program

    At the undergraduate level per the annual U.S. News and World Report Best Colleges rankings.

Apply Now

Learn about the admissions process and become a Hopkins Engineer.

Undergraduate Admissions
Graduate Admissions

Making an Impact

  • Suchi Saria poses with a laptop displaying the TREWS dashboard.

    Sepsis detection system prevents thousands of deaths

    NSF funding helped Suchi Saria develop and launch a lifesaving early warning system that uses artificial intelligence to catch sepsis infections before they become deadly.

  • Lanjing Liu and Yaxing Yao pose behind a table reading Johns Hopkins Whiting School of Engineering Department of Computer Science and in front of a banner reading Digital Privacy What can you do?

    Privacy research on display

    Johns Hopkins and Notre Dame researchers partnered with the National Museum of Natural History to help children hone their online privacy skills.

  • Illustration of speech bubbles conveying communication.

    “Jailbreaks” threaten low-resource languages

    The large language models that power many popular text-based AI applications are vulnerable to jailbreaking attacks, during which a user enters a malicious prompt to bypass an application’s guardrails to trick it into making inappropriate or harmful content.

  • Juan M. Lavista Ferres smiling.

    Finding the virtue in AI

    Microsoft data scientist Juan M. Lavista Ferres, Engr ’06 (MS), finds virtue in the technology and is more bullish about than bullied by its rise.