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CS250: Python for Data Science

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An academic-format Python for data science course, with a free certificate after the final exam.

certificatemoderate weight
Open the provider's page

The link goes to the provider's own site. You enrol there, not here.

Provider
Saylor Academy
What you get
a certificate
Weight on a CV
moderate weight
Time cost
~40 h
Validity
No cut-off date
Language
in English
Verified
7 August 2026

What this is

CS250 is structured like a university course: material, exercises and a final exam. The certificate is issued at 70% or above and carries Saylor Academy's name.

Money appears in one case only: if you want US college credit, the proctored exam is paid. The certificate itself is free, and the two documents do not replace each other.

Who it is for

Anyone who wants a structured course that ends in an exam rather than a set of videos.

How to get it

  1. 1Open Saylor Academy and create a free account. No card is asked for at any point.
  2. 2Work through the material, ~40 h in total. It is self-paced, so the time is yours to spread.
  3. 3Complete every module. The document is issued on completion, not on an exam result.
  4. 4Download the certificate as a PDF and keep the verification link, which is what an employer actually checks.

From Georgia

Open from Georgia. Registration is free and the certificate asks for no card.

Where this helps

Live remote vacancies in the same direction. You apply on the employer's own site; the board itself is written in Georgian.

All remote vacancies

Frequently asked questions

Is CS250: Python for Data Science really free?

An academic-format Python for data science course, with a free certificate after the final exam. The credential itself costs nothing: what you receive is a certificate. Checked against Saylor Academy's own page on 7 August 2026.

How long does CS250: Python for Data Science take?

Saylor Academy states roughly 40 hours. It is self-paced, so that is an evenings-and-weekends number rather than a schedule.

Can I take it from Georgia?

Open from Georgia. Registration is free and the certificate asks for no card.

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