United States · 
Who invested in Guaranteach?
Guaranteach's investors include NewSchools Venture Fund and Innosight Ventures.
20092010
?Seed?Seed?DebtUnited States · Funded startup
Who invested in Guaranteach
3 rounds we have observed, with the 2 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
Undisclosedraised across 3 rounds since 2008, from 3 sources
- Latest round
- DebtFeb 2010
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed Jul 2008
- Usual gap between rounds
- 10 months the median of 2
The rounds
- Feb 2010
- Apr 2009
- Jul 2008SeedAmount undisclosed
No investor was named in the report.
From a historical funding record
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
The exit
ExitBuyerPriceWhen
AcquiredSophia LearningundisclosedMay 2011
From historical deal records. Wrong? Tell us.
Everyone who backed them
Innosight VenturesVC firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Guaranteach
How much has Guaranteach raised?
Guaranteach has raised 3 rounds since 2008, none with a disclosed amount.
When did Guaranteach last raise?
Guaranteach's most recent round was a Debt in Feb 2010.
Who backed Guaranteach first?
Guaranteach's first round on record, in Apr 2009, was backed by Innosight Ventures.
What stage is Guaranteach at?
Guaranteach's latest named round is a Debt, in Feb 2010.
Where is Guaranteach based?
Guaranteach is based in the United States.
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