California Public Benefit Corporation · Irvine, California

One teacher. Every learner. Every day.

Lesson of the Day, PBC is the company behind Kelly, The Daily Lesson, Word Orb, and iLearn. We build learning infrastructure designed to reach eight billion people — through software, hardware, print, and broadcast.


What we build
Four products. One architecture.

The Daily Lesson

Learning surface

One shared lesson every day, delivered by Kelly in 19 languages across four tracks. A daily learning habit for every age, every language, every learner on Earth.

Open The Daily Lesson

Kelly

AI teacher

Kelly is the persistent teacher at the center of the platform — structured, multilingual, and built around a daily relationship with learners from age two to one hundred two.

Meet Kelly

Word Orb

Language infrastructure

162,253 words. 601,143 translations. 47 languages. The language layer behind the platform, available as infrastructure for developers, agents, and partners.

Explore Word Orb

iLearn

Hardware · five devices · $10 – $4,999

Purpose-built learning computers running KellyOS — from the $10 Nano to the $4,999 Ultra. Designed for offline access, sovereign operation, and lifetime use. Sold through Apple Retail.

Reserve Nano · Shop iLearn →
19
Lesson languages
47
Dictionary languages
62,483
Lessons live
162,253
Words indexed
Chet Holifield Federal Building, Laguna Niguel

The Chet Holifield Federal Building. Designed by William Pereira, 1968. 92 acres. One million square feet. Four miles from the Pacific. Laguna Niguel, California.

The company
Built to last. Structured to serve.

Lesson of the Day is a California Public Benefit Corporation with a perpetual educational mission. The company will not be sold, taken public, or redirected from its purpose. It exists to build learning infrastructure that serves eight billion people — through daily instruction, multilingual content, purpose-built hardware, print publishing, and broadcast.

The platform operates on sovereign infrastructure: Cloudflare edge computing, local AI inference, and owned voice synthesis. No single provider dependency. No centralized point of failure. The system runs when the cloud doesn't.

LOTD PBC holds three registered trademarks, a pending U.S. patent (application 18/088,519), and proprietary KellyOS software. The founder has self-funded the company with $4 million over twenty years.


Founder
Nicolette Rankin
Founder & Chief Executive Officer

Twenty years in education technology. Co-founded OpenEnglish and scaled it to $77 million in annual revenue serving two million students across eighteen countries — work that became a Harvard Business School case study.

Lesson of the Day is the next expression of that career: one teacher, one daily lesson, one company designed to operate at the scale of the problem it was built to solve.

nicoletterankin.com

Prior companyOpenEnglish
Revenue at scale$77M+ revenue
Students reached2 million
Countries18
Case studyHarvard Business School
Self-funded$4M over 20 years
IP3 trademarks, 1 patent pending
Structure100% founder-owned PBC