Master's Programs

#1-ranked. Fully flexible. Built for real life.

From Indiana University O’Neill School of Public and Environmental Affairs, the #1-ranked graduate school in public affairs. Start online, study on campus, or move between both—on your schedule.

Start anywhere. Learn everywhere. Graduate #1.

You don’t have to choose between prestige and flexibility.

At O’Neill, you get both:

  • #1 ranked graduate school in public affairs
    (U.S. News & World Report)
  • Top-ranked specialties in policy, management,
    and environmental affairs
  • Flexible learning formats—online, on campus, or a combination of both

Most top programs make you pick a format and stick with it.

We’re designed to adapt as your life evolves.

Take the first step

#1 ranking award from U.S News & World Report

A top-ranked degree that moves with you

Your career won’t stand still—and neither should your education.

  • Start your Master of Public Affairs (MPA) or Master of Environmental Sustainability (MES) online
  • Transition to on-campus learning when it makes sense
  • Shift back to online if your priorities change
  • Or vice versa!!

No starting over. No compromise on quality. Just one powerful degree—from the best in the field.

Built to develop leaders—for over 50 years

For more than five decades, O’Neill – home to the Paul H. O’Neill Center for Leadership in Public Service - has been preparing leaders across government, private corporations, and nonprofits.

TIME recognition

Indiana University recognized by TIME as a top university for developing leaders (2026)

National rankings

O’Neill contributes 12 of IU’s 16 top 10 graduate program rankings

Go further, faster—with a degree that fits your life

Whether you’re advancing, pivoting, or stepping into leadership, you don’t need to pause your career to move forward.

You need the right program—ranked #1 and built for you.