๐ŸŽฏ AI-Powered K-12 Learning

Understand and Support Every Student

ExcelOS is built to help schools and teachers truly understand and support student learning. In a matter of minutes, it identifies a student's knowledge gaps in Math, English, Spanish, and Computer Science, and builds a personalized learning path to fix them.

7,300+
Lessons
Kโ€“12
All Grades
4
Subjects
24/7
AI Tutor
๐Ÿงฑ The Simple Idea

Think of Learning as
a Brick Wall

Every skill a student learns is a brick in their wall of knowledge. Each row builds on the one below โ€” you need a strong foundation to support what comes next.

Over time, students miss bricks. These gaps are invisible in a classroom of 30, but they silently undermine everything built on top. The student struggles โ€” but nobody knows exactly why.

๐Ÿ”
ExcelOS scans the wall
Our diagnostic finds the exact missing bricks in minutes
๐Ÿงฑ
Identifies every gap
Even gaps from years ago that nobody noticed
โœ…
Fills them in โ€” in the right order
Custom lessons rebuild the foundation, then grade-level material clicks
Sarah's Wall of Knowledge โ€” Math
๐Ÿงฑ Building Sarah's knowledge wall...
โš ๏ธ The Hidden Crisis

One Classroom.
30 Different Levels.

In a typical Grade 9 math class, students do not all have the same skill level. Some may still be working at a Grade 3 level, while others are already performing at a Grade 10 level. When the same lesson is taught to everyone, it is too difficult for some students and too easy for others, which means many students do not learn effectively.

Typical Grade 9 Math Class
Gr. 10+
3
Gr. 9
5
Gr. 7โ€“8
8
Gr. 5โ€“6
9
Gr. 3โ€“4
5
๐Ÿ‘ค Student View
๐Ÿงช Adaptive Diagnostic

Pinpoint Gaps in Minutes

Each question adapts in real time. ExcelOS analyzes both answers and response time to distinguish guessing from true mastery.

๐ŸŽฏ Difficulty adjusts after every response
โฑ๏ธ Detects guessing vs. developing mastery
๐Ÿ”— Maps knowledge gaps across grade levels
๐Ÿ“Š Over 90% classification accuracy
๐Ÿงฎ MathematicsQuestion 7 of ~25
Simplify: 3(2x + 4) โˆ’ 5x
x + 12
6x + 12
x + 4
11x + 12
AI Confidence42%
๐Ÿ‘ค Student View
๐Ÿ”— Skill Tracing

See Exactly
Where It Breaks

When Sarah struggles with Grade 7 algebra, we trace the prerequisite skills to find where her understanding broke down โ€” then fix the root problem first.

Sarah's Math Skill Chain
Gr. 3
Multiplication
โœ…
Gr. 4
Fractions
โœ…
Gr. 5
Equivalent Fractions
โœ…
Gr. 6
Variable Expressions
โŒ
Gr. 6
Distributive Property
โŒ
Gr. 7
Factor Linear Expr.
๐Ÿ”’
๐Ÿ‘ค Student View
๐Ÿ“‹ Personalized Path

A Plan Built
Just for Sarah

AI generates a custom lesson path starting where the foundation cracked โ€” not where the curriculum says.

S
Sarah's Learning Path
Grade 7 โ€ข Mathematics
โœ“
Variables & Expressions
Gr. 6 โ€ข Done
โœ“
Distributive Property
Gr. 6 โ€ข Done
โ–ถ
Combining Like Terms
Gr. 6 โ€ข Now
๐Ÿ”’
Simplify Expressions
Gr. 7
๐Ÿ”’
Factor Linear Expressions
Gr. 7
โœ“
Checkpoint Assessment
Verify
๐Ÿ‘ค Student View
๐Ÿ“– AI-Generated Lessons

Learn the Gap,
Step by Step

Each lesson includes a clear tutorial, worked examples, and practice questions โ€” all generated by AI and tailored to the student's exact gap.

๐Ÿ“ Clear explanations with visual examples
๐Ÿงฉ Practice questions that build progressively
๐Ÿค– 24/7 AI tutor for instant help
โœ… Checkpoint to verify mastery before moving on
excelos.co/learn/math/distributive-property

The Distributive Property

๐Ÿ“˜ What Is It?

The distributive property lets you multiply a number by a group of numbers added together. Instead of adding first, you multiply each number separately, then add the results.

๐Ÿ”ข Example

3(2x + 4) = 3ยท2x + 3ยท4 = 6x + 12

Multiply 3 by each term inside the parentheses separately.

๐Ÿ“ Practice Question
Expand: 5(x + 3)
5x + 15
5x + 3
x + 15
๐ŸŽ Teacher View
โœ๏ธ Teacher Tools

Create & Customize Content

Teachers can create custom tutorials, write their own questions, or let AI generate them. Assign specific lessons to individual students or the whole class.

๐Ÿ“
Create Tutorials
Write custom lessons or let AI draft them
๐Ÿงฉ
Build Question Banks
Multiple choice, open response, multi-step
๐ŸŽฏ
Custom Assignments
Assign by student, group, or entire class
๐Ÿค–
AI-Assisted
Generate 10 questions from any topic in seconds
New Question
New Tutorial
Custom Assignment
Mathematics โ€ข Grade 6
Distributive Property
Expand and simplify: 4(3x โˆ’ 2) + 7
โœ… 12x โˆ’ 1
12x + 7
12x โˆ’ 2
7x โˆ’ 1
Sarah C. Maria G. David J. + Add Students
๐ŸŽ Teacher View
๐ŸŽ Class Diagnostic

Assign to the Entire Class

One click to assign the diagnostic. Results stream into the dashboard in real-time as students complete it.

1
Assign Diagnostic
One click โ†’ full class
2
Students Complete
20โ€“35 min adaptive test
3
Results Flow In
Live dashboard updates
Class Completion โ€” Grade 7 Math
Done In Progress Not Started
JW
SC
MG
AK
DJ
LP
RH
EM
TB
KN
OC
FR
NP
GS
HT
IU
BV
CW
DX
EY
FZ
GA
HB
IC
JD
KE
LF
MG
NH
OI
18 done ยท 6 in progress ยท 6 not started
๐ŸŽ Teacher View
๐Ÿ”ฅ Class Heatmap

Every Student's Gaps at a Glance

Red = gaps. Green = mastery. Teachers instantly see who needs help โ€” and in what.

StudentNumbersFractionsDecimalsExpressionsEquationsGeometryRatios
James W.94%91%88%82%79%90%85%
Sarah C.90%84%68%38%32%78%62%
Maria G.82%65%60%52%45%70%55%
David J.72%41%38%28%22%58%30%
Alex K.95%92%90%88%85%93%90%
Lisa P.85%80%65%60%52%82%68%
๐ŸŽ Teacher View
๐Ÿ“Š Shared Gap Analysis

One Gap,
Half the Class

When 62% of students share the same gap, that's one group re-teaching opportunity โ€” not 19 individual problems.

๐Ÿ’ก
AI Recommendation: 62% of your class has gaps in Equivalent Fractions (Gr. 4). A 3-day group lesson would unlock progress for 19 students across Ratios, Proportions, and Percentages.
Class-Wide Gaps โ€” Grade 7 Math
Equivalent Fractions
62%
62%
Decimal Operations
48%
48%
Order of Operations
35%
35%
Variable Expressions
30%
30%
Place Value
22%
22%
๐ŸŽ Teacher View
๐Ÿ“ˆ Class Dashboard

Real-Time Teacher Insights

Track every student. See who's falling behind before it shows up on the exam.

Class Average
78%
Overall Proficiency
On Track
22/30
Meeting Grade-Level Goals
Growth
+14%
Since Semester Start
Student Progress
J
James Wilson
92%
S
Sarah Chen
78%
M
Maria Garcia
65%
D
David Johnson
41%
Needs Intervention
๐Ÿšจ David J. 4 gaps
โš ๏ธ Maria G. 3 gaps
โš ๏ธ Lisa P. 2 gaps
๐Ÿซ Admin View
๐Ÿซ School Administration

School-Wide Intelligence

Administrators see the big picture โ€” performance across all grades, classes, and subjects. Data-driven decisions for curriculum, budgeting, and accreditation.

School Average
74%
Across All Grades
Total Students
487
Active on Platform
Teachers Using
22
Across 4 Subjects
Performance by Grade
Gr. 3
82%
Gr. 4
85%
Gr. 5
78%
Gr. 6
74%
Gr. 7
68%
Gr. 8
65%
Gr. 9
62%
Key Insights
๐Ÿ“‰ Gr. 7โ€“9 need fractions intervention
๐Ÿ“ˆ Gr. 3โ€“4 exceeding targets
๐Ÿ“‹ Accreditation report ready to export
๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง Parent View
๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง For Parents

Finally See Where Your Child Stands

No more guessing. Parents get a clear, daily view of what their child is learning, where they're struggling, and how fast they're growing โ€” at a fraction of the cost of a human tutor.

๐Ÿ“Š Daily progress updates โ€” what they learned today
๐ŸŽฏ Clear gap visibility โ€” no more mystery report cards
๐Ÿ’ฐ Replace $300/mo tutoring โ€” AI tutor available 24/7
๐Ÿ“ˆ Watch confidence grow โ€” celebrate real milestones
S
Sarah's Progress
Grade 7 โ€ข Parent Dashboard
78%
Overall Score
+23%
Growth This Term
This Week's Activity
โœ… Distributive Property โ€” Mastered!
โ–ถ Combining Like Terms โ€” In Progress
๐Ÿ”’ Simplify Expressions โ€” Up Next
๐Ÿ”ฅ 7-day streak! Sarah has been practicing every day this week.
๐Ÿ’ฐ Business Case
๐Ÿ“Š The Math

One New Hire vs.
Every Student Covered

Hiring one additional teacher costs $25,000โ€“$50,000/year and impacts ~10% of students. ExcelOS covers 100% of students across 4 subjects for a fraction of the cost.

๐Ÿ’ก
For a school of 500 students, ExcelOS costs $84,000/year โ€” about two teacher salaries โ€” but reaches every student, every subject, 24/7.
Annual Cost Comparison
Hire 1 Teacher
$37,500
Avg. salary in LATAM
~30 students ยท 1 subject
ExcelOS Platform
$150โ€“$180
Per student / year
ALL students ยท 4 subjects ยท 24/7
Up to 250 students$180/student/yr
251โ€“500 students$168/student/yr
500+ students$150/student/yr
Example: School of 200 students
200 ร— $180$36,000/yr
Example: School of 500 students
500 ร— $168$84,000/yr
๐Ÿ’ฐ Business Case
๐ŸŽฏ Zero Budget Impact

The School Pays Nothing

Instead of adding to your budget, ExcelOS is structured as a "Digital Technology Fee" on the annual materials list. Parents pay it directly โ€” just like textbooks and lab fees.

๐Ÿซ
For the School
Diagnostics, heatmaps, analytics โ€” $0 to payroll
๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง
For Parents
24/7 AI tutor for $12.50/mo โ€” replaces $300/mo tutoring
๐ŸŽ
For Teachers
Save 10+ hrs/week โ€” AI handles grading & tracking
How It Appears on the Materials List
๐Ÿ“‹ Annual Materials & Fees โ€” Grade 7
Textbooks & Workbooks$180
Lab & Science Materials$75
Art Supplies$45
โœจ Digital Technology Fee (ExcelOS)$150
School Uniform$95
Parent's monthly cost
$12.50/month
4 subjects ยท 24/7 ยท parent dashboard included
vs. $300/mo for a private tutor
๐Ÿ’ฐ Business Case
โ“ Common Questions

Questions Schools Ask โ€” Answered

We've heard them all. Here are the honest answers.

๐Ÿค” "Will this replace our teachers?"
Never. ExcelOS handles diagnostics, practice, and tracking so teachers focus on what they do best: teaching, mentoring, and connecting with students.
๐Ÿ’ฐ "We don't have budget for this."
You don't need one. The $150/year is a parent-paid Digital Technology Fee on the materials list. Zero impact on your operational budget.
โฑ๏ธ "We don't have time to implement."
We handle setup. Teachers assign their first diagnostic in one click. No training required. Most schools are running within a week.
๐Ÿ“š "Does it align with our curriculum?"
Yes โ€” Common Core, IB, Cambridge, and CAIS. The diagnostic adapts to what students actually know, regardless of framework.
๐Ÿ”’ "Is student data safe?"
FERPA compliant. Student data is never sold, shared, or used for ads. Teachers see only their students. Admins see aggregate data.
๐Ÿงช "Can we try before committing?"
Free pilot. One grade level, full platform, one month. If it doesn't deliver results, you owe nothing.
๐Ÿ“š Complete Coverage

Four Subjects. One Platform.

Diagnostic, personalized paths, and dashboards for each โ€” all included.

๐Ÿงฎ

Mathematics

Counting to calculus. Adaptive diagnostics at every level.

๐Ÿ“š

English

Reading, writing, grammar & literary analysis.

๐Ÿ‡ช๐Ÿ‡ธ

Spanish

ACTFL-aligned from Novice to Advanced.

๐Ÿ’ป

Computer Science

Block coding to machine learning. CSTA-aligned.

Everyone Wins with ExcelOS

๐Ÿ‘ค
Students
Learn at their own pace, build real confidence
๐ŸŽ
Teachers
Save 10+ hrs/week, data-driven instruction
๐Ÿซ
Administrators
School-wide insights, accreditation-ready reports
๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง
Parents
Clear visibility, replace expensive tutoring

Free pilots available โ€” zero cost, full onboarding support.

๐Ÿ“ง ana@excelos.co ยท ๐Ÿ“ฑ (647) 696-4753 ยท ๐ŸŒ excelos.co