Mount Vernon School Altitude Grades icon

Mount Vernon School Altitude Grades

by syazvinski · altitudegradecalculator.com · Education
Established publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

This extension is for Mount Vernon School students and gives you letter grades on altitude when you hover over your percentage grade

Users
177
−9 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
8
0 in 30 days
Store rank
#67K
#56K among extensions
Version
1.1.2
updated 1 Feb 2024

Users

monthly, 3 years
0180359Jan 2024Jun 2025Oct 2026
Latest, 15 Oct 2026: 177 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
048Jan 2024Jun 2025Oct 2026
Latest, 15 Oct 2026: 8 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Mount Vernon School Altitude Grades

For Mount Vernon students only, this extension converts percentage grades to corresponding letter grades on Altitude. No setup required - simply hover over your percentage grade to see the letter grade instantly.

Growth

WindowUsersChangeRatingsRating
7 days−3−1.7%00.00
30 days−9−4.8%00.00
6 months−69−28.0%00.00
1 year−103−36.8%00.00

Chrome Web Store search rankings

Where Mount Vernon School Altitude Grades appears when people search the store, with the 30 day change
Search phrasePosition30 days
school#25−2

Version history

3 versions recorded
1.1.221 Jan 2024
1.017 Jan 2024
1.117 Jan 2024

Details

Category
Education
First seen
17 Jan 2024
Size
23 KB
Languages
en
Pricing
Free
Privacy policy
docs.google.com
Extension ID
npejnoaeodlhhllfjdnddllhlegapdeg

Permissions and risk

Low riskimpact 1, likelihood 1
Site access
https://mountvernonschool.altitudelearning.com/*

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