No. 7 of 27 ·K-12 Curriculum Platforms

OpenSciEd

Web

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Freedom report

Two barsScore 6.4

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

OpenSciEd is ranked #7 of 27 in k-12 curriculum platforms on Freedom251. It runs on Web. There is a free plan.

OpenSciEd plans and pricing

All plans

OpenSciEd curriculum and resources Free $0 to download registration required · educators or parents only openscied.org · 2 Oct 2026

Packaged curriculum from certified distributors Not published books · lab kits · online platforms openscied.org · 2 Oct 2026

Compared on k-12 curriculum platforms

Free plan: Yes
Grade band: k-12
Subject scope: single_subject
Standards alignment: Yes
Teacher tools: Yes
Built-in assessments: Yes
LMS integration: Yes
Offline access: Yes

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The record

What it does: OpenSciEd creates free, high-quality, NGSS-aligned science materials and professional learning support for educators.
Grade levels: The curriculum is offered for elementary, middle, and high school.
Instructional model: OpenSciEd uses phenomena-based instruction centered on student-led questioning, investigating, and problem-solving.
Adaptability: Teachers are encouraged to download and customize the fully adaptable lessons for their students’ needs.
Downloads: Released units can be downloaded as PDFs or Google Drive files and downloaded as Microsoft Word and PowerPoint files.
Classroom integrations: Some units can be downloaded in Google Classroom or Canvas versions.
Professional learning: OpenSciEd provides free self-guided learning paths connected to its materials, instructional practices, and classroom decisions.
Teacher support: Its on-demand teacher support library is free and includes videos and resources for preparing units, understanding routines, anticipating student ideas, and implementing the curriculum.
Licensing: Middle school materials use CC BY 4.0, while elementary and high school materials use CC-BY-NC licensing; noncommercial 5R permissions are free and perpetual.
Registration: Accessing the free materials requires registration, and registration is intended for educators or parents rather than K-12 students.
Privacy and security: The website collects registration information such as name, email, and organization, uses cookies for login sessions, and says users are responsible for protecting their passwords.
Availability limitation: OpenSciEd says it cannot guarantee that the website will always be running and disclaims liability for data loss caused by unavailability.
High school offering: OpenSciEd High School offers three courses addressing the NGSS.
Independent review: The three OpenSciEd High School courses received all-green ratings from EdReports after an educator-led review process.
Price from: Free

Where it ranks on Freedom251

Best K-12 Curriculum Platforms in 2026#7 of 27

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Sources

openscied.org/why-openscied/about-us/· checked 2 Oct 2026
openscied.org· checked 2 Oct 2026
openscied.org/why-openscied/· checked 2 Oct 2026
openscied.org/knowledge/how-do-i-access-the-openscied· checked 2 Oct 2026
openscied.org/professional-learning/· checked 2 Oct 2026
openscied.org/knowledge/how-should-i-attribute-the-us· checked 2 Oct 2026
openscied.org/register/· checked 2 Oct 2026
openscied.org/openscied-terms-of-use-and-privacy-poli· checked 2 Oct 2026
openscied.org/curriculum/high-school/· checked 2 Oct 2026
openscied.org/why-openscied/funders/· checked 2 Oct 2026
openscied.org/purchase/· checked 2 Oct 2026