Excel High School sustainability score: 20/100

·Higher Education / Universities·Last verified 13 October 2026
20
out of 100
Significant gapsPending ReviewMixed evidence· 8 src

Excel High School scores 20/100 (Significant gaps) on SINK's independent climate assessment — scored from public data only, no company payment can change a number. Last verified October 2026.

That places Excel High School joint 769th of 806 companies scored, and 67th of 67 in Higher Education / Universities.

Excel High School publishes zero environmental data. No emissions, energy, waste, water, or sustainability targets appear anywhere in public disclosures. The company operates fully online with a small physical footprint but does not measure or report it. No sustainability governance or environmental reporting was found.

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The calculation

How is Excel High School's SINK score calculated?

Same ten questions for every company. No private weighting.

SINK = (0.3 × Base + 0.7 × Performance) × Scale
Industry base impact
Higher Education / Universities sector ceiling.
45 / 100
Performance score
Sum of the 10 rubric questions, scored 0–10 each.
22 / 100
Raw score
Weighted average before scale penalty.
(0.3 × 45) + (0.7 × 22) = 28.9
Scale penalty
Multiplier based on absolute emissions volume — physics-first.
× 0.7
Final score
Rounded. Significant gaps.
20 / 100
The ten questions

What is Excel High School doing well, and where does it fall short?

Strongest on Controversies & Red Flags and Carbon Footprint — Operations (8/10, 3/10). Weakest on Transparency & Accountability and Targets & Commitments (0/10, 1/10).

Where the evidence comes from

What evidence is Excel High School's score based on?

8 sources used in this assessment. All publicly available. Each row shows which rubric questions it informed.

[1]Public record
Social Security Administration — Legal Opinion on Educational Institution Status

“Excel High School (Excel) is a nonpublic, online school based in Plymouth, Minnesota.”

2014
Q1Q7Q9
View →
[2]Self-reported
Excel High School — About

“601 Carlson Parkway, Suite 1250 Minnetonka, MN 55305, USA”

Ongoing
Q1Q3Q6Q8Q9
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[3]Self-reported
LearnStage — Parent Company Information

“Learn Stage is an e-learning platform offered by Excel Education Systems, Inc., comprised of a world-class LMS/SIS and digital courseware.”

Ongoing
Q2Q3Q6
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[4]Self-reported
Excel High School — Accreditation

“Our self-paced, online programs allow students to learn on their own schedule”

Ongoing
Q4Q9
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[5]Public record
SkillNation — Excel High School Diploma for Adults

“These programs are delivered 100% online and are accessible 24/7”

Unknown
Q4Q10
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[6]Public record
ASU Course Approval Portal — Environmental Science (Excel High School)

“Step into the ever-evolving realm of Environmental Science with Excel High School's immersive online course.”

2024
Q5
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[7]Public record
The Homeschool Mom — Excel High School Curriculum Review

“Excel High School offers accredited, online high school diploma programs for high school age and adult learners.”

Unknown
Q5Q9
View →
[8]Self-reported
Excel High School — NCAA Approved Courses

“Excel High School is an accredited online high school offering NCAA-approved core courses”

Ongoing
Q7
View →

If you believe a source has been misread or a newer version exists, submit a challenge.

Excel High School in context

How does Excel High School compare with other higher education / universities companies?

Excel High School sits at the bottom of the higher education / universities pack.

Among the 67 major higher education / universities brands we've scored, Excel High School sits 67th of 67.

67/67
Excel High School's rank
49
Industry average
20
Industry low
60
Industry high
How this score has moved

Has Excel High School's score changed?

today

As Excel High School's score updates, the trajectory will appear here.

What's being contested

Has Excel High School's score been challenged?

This score is not currently being contested.

Every challenge is published. We'd rather be corrected than wrong — that's the whole point.

No challenges submitted yet. If you have evidence that contradicts this score, you can challenge any question above — cite a public source and we'll review it.

About Excel High School

Excel High School is a US-based online secondary education provider offering diploma programs and courses to students nationwide. Part of Excel Education Systems, Inc., it delivers content through a learning management system and operates from offices in Minnesota and Texas. The company serves adult and traditional high school learners.

Founded
—
Headquarters
US
Employees
Not disclosed
Annual revenue
Not disclosed
Company website ↗
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