ScheduleLab

Schedule builder for University of California, Riverside students

Stop manually testing class combinations. ScheduleLab shows details for University of California, Riverside and helps students compare schedule options faster.

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Support Snapshot

Support at University of California, Riverside

Status

Available now

Current Semesters

Winter 2027, Fall 2026

Campuses
RiversideUC Online EducationUCR Online
Last Updated

October 23, 2026

Current Support

Current Semester Coverage

Winter 202711,105 sections · 1,850 courses

Campuses

RiversideUC Online EducationUCR Online

Catalog updated

October 23, 2026

Winter 2027 at University of California, Riverside, by the numbers

  • First class of the day: 7:00am

    Somebody has to take it. Doesn’t have to be you.

  • The latest class runs till 11:00pm

    For the night-shift schedulers.

  • 78% of scheduled classes never meet on a Friday

    Three-day weekends for the win!

  • 620 classes start after 5pm

    Plenty of room for an evening-friendly schedule.

  • 6,489 sections have no set days or times

    Worth a look one by one before you plan around them.

  • 6 classes meet on a weekend

    Yes, Saturday and Sunday classes are real.

  • The longest single class runs 5h 50m

    Pack snacks.

  • 100 subjects, from AHS to WRIT

    That’s a big catalog.

  • 1,608 professors are teaching classes

    Someone in there teaches exactly your style.

  • Classes meet in 273 different rooms

    Learn the campus shortcuts early.

  • 237 courses come with a required lab or recitation

    Exactly the kind of puzzle ScheduleLab untangles for you.

  • The heaviest course is worth 14 credits

    There are a few, one of them is INTERNAL MEDICINE.

Biggest departments

  • PHYS616
  • MATH528
  • CHEM507
  • PSYC398
  • POSC368

Most-offered courses

  • GEN 297 · DIRECTED RESEARCH92 sections
  • GEN 299 · RESEARCH FOR THE DISSERTATION89 sections
  • CMDB 297 · DIRECTED RESEARCH76 sections
  • CMDB 299 · RESEARCH FOR THE THESIS OR DISSERTATION67 sections
  • CS 299 · RESEARCH FOR THESIS OR DISSERTATION67 sections

Class distribution by day

How classes spread across the week.

  • Sun2 classes on Sun
  • Mon1,172 classes on Mon
  • Tue1,305 classes on Tue
  • Wed1,438 classes on Wed
  • Thu1,322 classes on Thu
  • Fri1,025 classes on Fri
  • Sat4 classes on Sat
Fall 202611,298 sections · 1,836 courses

Campuses

RiversideUC Online EducationUCR Online

Catalog updated

October 19, 2026

Fall 2026 at University of California, Riverside, by the numbers

  • First class of the day: 7:00am

    Somebody has to take it. Doesn’t have to be you.

  • The latest class runs till 10:50pm

    For the night-shift schedulers.

  • 77% of scheduled classes never meet on a Friday

    Three-day weekends for the win!

  • 627 classes start after 5pm

    Plenty of room for an evening-friendly schedule.

  • 6,610 sections have no set days or times

    Worth a look one by one before you plan around them.

  • 11 classes meet on a weekend

    Yes, Saturday and Sunday classes are real.

  • The longest single class runs 4h

    Pack snacks.

  • 101 subjects, from AHS to WRIT

    That’s a big catalog.

  • 2,651 professors are teaching classes

    Someone in there teaches exactly your style.

  • Classes meet in 289 different rooms

    Learn the campus shortcuts early.

  • 211 courses come with a required lab or recitation

    Exactly the kind of puzzle ScheduleLab untangles for you.

  • The heaviest course is worth 14 credits

    There are a few, one of them is INTERNAL MEDICINE.

Biggest departments

  • PHYS556
  • MATH529
  • CHEM473
  • PSYC402
  • CS399

Most-offered courses

  • GEN 297 · DIRECTED RESEARCH96 sections
  • MATH 003 · COLLEGE MATHEMATICS FUNDAMENTALS AND PROBLEM SOLVING96 sections
  • GEN 299 · RESEARCH FOR THE DISSERTATION91 sections
  • CMDB 297 · DIRECTED RESEARCH79 sections
  • CMDB 250 · SPECIAL TOPICS IN CELL, MOLECULAR, AND DEVELOPMENTAL BIOLOGY73 sections

Class distribution by day

How classes spread across the week.

  • Sun3 classes on Sun
  • Mon1,231 classes on Mon
  • Tue1,301 classes on Tue
  • Wed1,405 classes on Wed
  • Thu1,337 classes on Thu
  • Fri1,066 classes on Fri
  • Sat8 classes on Sat

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