LOCUS
LOCUS: LOCUS measures statistical literacy through structured assessments and reports, rather than teaching lessons. Ranked #34 of 40 in Statistics Learning Software by our editors (5.9/10); pricing: Free plan · pricing on request; best for programs assessing statistical literacy.
At a glance
- Editor score5.9 / 10
- PricingFree plan · pricing on request
- Best forPrograms assessing statistical literacy
- Free planYes
- Guided lessonsNo
- Facts checked28 Sep 2026
Where it wins
- Offers Beginning/Intermediate, Intermediate/Advanced, and combined test versions
- Automatically generates reports for online assessment users
- Builds custom tests from 62 released multiple-choice items
Where it doesn't
- Focuses on assessment rather than guided instruction
- Official assessment pricing requires contacting ThinkData Ed
- Online access is browser-based
Our verdict on LOCUS
LOCUS is an online assessment system for measuring statistical understanding from middle school through introductory college statistics. Its test versions span Beginning/Intermediate, Intermediate/Advanced, and a combined level, making it relevant to programs that need to assess statistical literacy across different stages. Teachers and researchers can administer official assessments, while students access them online. LOCUS is designed to measure understanding, not to provide guided lessons, so it fits programs evaluating learning more directly than learners seeking a course or instructional platform.
The assessment content covers four statistical problem-solving stages: formulating questions, collecting data, analyzing data, and interpreting results. That structure gives educators a way to evaluate more than a single calculation or topic. Online users receive automatically generated reports. Separately, a free custom-test builder uses 62 released multiple-choice items; sample assessment items also include commentary and explanations. The free builder is distinct from the official assessment offering, so programs should consider which option meets their measurement needs. Teachers have administration workflows, and students have access workflows, all through browser-based access.
LOCUS is a stronger fit when a school, research project, or other program needs assessment versions and reports to examine statistical literacy. It is less suitable for organizations looking for guided lessons or a broader teaching environment, because its emphasis is measurement. According to ThinkData Ed, official assessment pricing is handled by contacting the vendor, which also mentions discount codes. Buyers should clarify the applicable assessment and pricing before planning adoption. The separate free builder offers a way to assemble tests from released items, but it should not be treated as the same thing as the official assessments. For assessment-focused programs, that distinction is central to choosing LOCUS.
LOCUS pricing
LOCUS fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Guided lessons | No |
| Statistics simulations | Not verified |
| Probability experiments | Not verified |
| Classroom tools | Yes |
| Supported platforms | web |
| Deployment | Cloud |
| Platforms | Web |
| Support | |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan · pricing on request |
| Website | locus.thinkdataed.org |
| Facts checked | 28 Sep 2026 |
Alternatives to LOCUS
- Integrated Statistics Learning Environment (ISLE)An open-source teaching environment that pairs statistics instruction with collaborative analysis.9.3
- SOCR (Statistics Online Computational Resource)A broad, free statistics resource combining learning materials, simulations, and analysis tools.9.2
- Conceptual Learning with Interactive AppletsA free, browser-based collection for visualizing core statistics concepts in class.9.1
Used LOCUS? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used LOCUS for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
LOCUS is listed in our Statistics Learning Software directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/locus-statistics-learning-software/"><img src="https://www.itechguides.com/best/badge/locus-statistics-learning-software.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.
Last updated · How we research and update