- What COA Means on This Site
- Who Runs the Exam and Where You Take It
- The Exam at a Glance
- The Modeling Section: Where the Points Live
- The Knowledge-Based Section
- Scoring Math and the 75% Line
- Cost and Registration Mechanics
- Who Should Sit This Exam
- Where the Credential Fits in a Career
- A Domain-Weighted Prep Sequence
- Frequently Asked Questions
- COA here means Certified Onshape Associate, a CAD credential from Onshape, a PTC business.
- The current listing has 48 questions: 14 Modeling (66 points) and 34 Knowledge-based (34 points).
- You get 3 hours and need 75% of total points to pass.
- Each attempt costs $50, with conditional vouchers and bulk discounts available.
What COA Means on This Site
The acronym "COA" is shared by several unrelated credentials and documents across different industries. On this site, COA means Certified Onshape Associate, and nothing else. It is an entry-level credential that verifies you can build parts and work confidently inside Onshape, the cloud-native CAD platform. If you landed here searching for a different certification that happens to share the abbreviation, this article will not cover it.
If you want the short definitional versions of this topic, we also have focused explainers: What Does COA Stand For?, COA Meaning, and What Is COA Certification?. This guide goes deeper into how the exam is built and what it asks of you.
Who Runs the Exam and Where You Take It
The Certified Onshape Associate exam comes from Onshape, a PTC business. It is delivered through the Onshape Learning Center, and the exam content was developed with SolidProfessor, a company known for CAD training material. That lineage matters for two reasons. First, the exam reflects how Onshape itself expects people to work, not a generic CAD theory test. Second, the official preparation guidance lives on Onshape's own channels, so those are the sources you should trust when details change.
A note on currency: the current course listing and official guidance from July 2026 supersede the older launch announcement, which described a 45-question exam. If you find a blog post or forum thread quoting 45 questions, it is describing the historical version. The current listing totals 48 questions.
The Exam at a Glance
| Attribute | Detail |
|---|---|
| Credential | Certified Onshape Associate (COA) |
| Provider | Onshape, a PTC business, via the Onshape Learning Center |
| Total questions | 48 |
| Modeling section | 14 questions, 66 points |
| Knowledge-based section | 34 questions, 34 points |
| Time allowed | 3 hours |
| Passing threshold | 75% of points |
| Fee | $50 per attempt |
| Format | Hands-on CAD plus knowledge-based multiple choice |
| Awarded on passing | Certificate and badge |
The two-part format is the defining feature of this exam. Unlike a purely multiple-choice certification, you are asked to actually build things in Onshape and then answer a larger batch of shorter knowledge questions. The two sections test different muscles, and weakness in one cannot always be rescued by strength in the other, as the scoring section below shows.
The Modeling Section: Where the Points Live
The Modeling section contains 14 questions worth 66 points. This is the hands-on core of the exam. You work in Onshape to create or modify geometry, then report measurable results such as a mass, a volume, a dimension, or some other property of your finished model. Because answers hinge on getting the geometry right, small modeling mistakes tend to produce wrong numbers, which makes precision more important than speed.
Domain 1: Modeling section
Candidates must be fluent in Onshape's core part-building workflow, not just familiar with the interface.
- Sketching with constraints and dimensions so profiles are fully defined and behave predictably
- Creating features from sketches, such as extrudes, revolves, sweeps, and lofts
- Using patterns and mirrors to build repeated geometry efficiently
- Working in Part Studios and understanding how parts, planes, and the feature tree relate
- Reading drawings or specifications and translating them into accurate models
- Assigning materials and checking properties of the finished part
Because each Modeling question is worth substantially more than a Knowledge-based question, the section rewards candidates who have logged real hours building parts. Reading about sketch constraints is not a substitute for fixing an over-constrained sketch under time pressure. For a fuller walkthrough of how these topics map to the published sections, see our COA exam domains guide.
The Knowledge-Based Section
The Knowledge-based section has 34 multiple-choice questions worth 34 points, one point each. These questions test whether you understand Onshape as a platform and CAD as a discipline, rather than whether you can complete a build.
Domain 2: Knowledge-based section
Expect questions about how Onshape works and why, spanning interface concepts, data management, and general CAD understanding.
- Cloud-native behavior: versioning, branching, merging, and the document model that replaces traditional file saving
- Collaboration concepts such as sharing, permissions, and working simultaneously with others
- Terminology for features, sketch entities, constraints, and part and assembly relationships
- Assembly basics, including mates and how components connect and move
- Drawings and documentation concepts
- Choosing the right tool or feature for a given modeling situation
Onshape's official preparation tips describe reference access during the exam, so candidates should read that guidance directly and plan accordingly rather than assuming what is or is not allowed. Even with references available, the Knowledge-based section is faster for people who have used the platform enough to recognize the terminology on sight.
Scoring Math and the 75% Line
Here is a detail that trips people up: the 66% and 34% figures are published scoring-section point shares, not topic-domain percentages. They tell you that Modeling is worth 66 of the 100 total points and Knowledge-based is worth 34, not that two-thirds of your learning should be about one topic area. The distinction matters because it changes how you interpret the exam blueprint.
| Section | Questions | Points | Points per question |
|---|---|---|---|
| Modeling | 14 | 66 | Roughly 4.7 on average |
| Knowledge-based | 34 | 34 | 1 |
| Total | 48 | 100 | Pass at 75 points |
With 100 total points and a 75% threshold, you need 75 points to pass. Consider what that implies. A perfect Knowledge-based score gives you 34 points, which means you would still need at least 41 of the 66 Modeling points. Conversely, a flawless Modeling section delivers 66 points, and you would need only 9 more from the knowledge questions. The arithmetic makes the strategic priority obvious: Modeling accuracy is the lever that decides most attempts. Our COA passing score guide works through more scenarios.
Key Takeaway
Treat Modeling as your primary investment. You cannot realistically pass by acing the 34 knowledge questions alone, because their combined value tops out at 34 points, well below the 75 you need.
Cost and Registration Mechanics
The exam fee is $50 per attempt. Conditional vouchers and bulk discounts exist, which is most relevant to schools, training programs, and employers enrolling groups. If you are an individual, check the official course listing on the Onshape Learning Center for any voucher conditions that apply to you before paying full price. Because each retake is a separate $50 attempt, preparing well the first time is the cheapest path. For a complete breakdown of what to budget, including prep resources, read our COA certification cost guide.
Registration runs through the Onshape Learning Center, where the course listing describes the exam. We have not verified formal proctoring specifications, so rely on the official course page for the current rules on how and where the exam is taken. Scheduling specifics are covered in COA exam dates and scheduling.
Who Should Sit This Exam
Relevant experience is recommended, not a verified formal admission threshold. In other words, there is no confirmed prerequisite that blocks you from registering, but the exam assumes you have spent meaningful time in Onshape. Realistically, the credential suits:
- Students in engineering, design, and technology programs who want a verifiable CAD credential. Onshape has published material encouraging students to consider the exam.
- Early-career designers and drafters who need a way to show proficiency to employers.
- Professionals switching CAD platforms from desktop tools who want to prove they have mastered cloud-based workflows.
- Educators and training coordinators who want a benchmark for classroom or team skill levels.
For a closer look at eligibility questions, see COA requirements, and to gauge your readiness against the format, our difficulty guide breaks down where candidates tend to struggle.
Where the Credential Fits in a Career
Passing earns you a certificate and badge that you can attach to a resume or professional profile. The people most likely to care are employers and instructors who use Onshape: product design teams, engineering consultancies, manufacturers adopting cloud CAD, robotics and maker programs, and educational institutions. The credential signals that you can produce working models and understand the platform's collaboration-first model, which is genuinely different from file-based CAD.
It is worth being realistic about scope. This is an associate-level credential, so it demonstrates foundational competence rather than advanced specialization. It works best as one entry on a portfolio alongside real projects. For the broader picture, explore COA jobs, weigh the numbers in the salary analysis, and decide whether the investment makes sense using our ROI breakdown.
A Domain-Weighted Prep Sequence
Because Modeling holds 66 of the 100 points, your calendar should front-load hands-on work. The sequence below ties each phase to the exam's two sections rather than to generic study habits.
Modeling foundations
- Practice fully constrained sketches and basic extrudes and revolves
- Learn the Part Studio and feature tree thoroughly
Advanced modeling and measurement
- Work with sweeps, lofts, patterns, and mirrors
- Model from drawings and verify mass and dimensional properties
Knowledge-based coverage
- Review versioning, branching, sharing, and assembly concepts
- Drill terminology until it is automatic
Timed integration
- Complete a full-length mock attempt within three hours
- Revisit any modeling topic where measurements came out wrong
For a more detailed plan, our COA study guide expands this outline, and the COA cheat sheet gives you a fast final review. You can also explore structured options under COA training. When you are ready to test yourself under realistic conditions, try our COA practice tests to find your weak spots before exam day.
Key Takeaway
Schedule Modeling practice first and keep it going every week. Knowledge-based review is quick to absorb by comparison, so it fits comfortably in the final stretch without displacing hands-on work.
Frequently Asked Questions
It stands for Certified Onshape Associate, a CAD credential offered by Onshape, a PTC business. It is not related to other certifications or documents that share the same abbreviation. See also What Is COA? and What Is A COA? for related explainers.
The current listing totals 48 questions: 14 in the Modeling section worth 66 points and 34 in the Knowledge-based section worth 34 points. An older launch article mentioned 45 questions, but the current listing and official guidance supersede it.
You need 75% of the total points. With 100 points available across both sections, that means 75 points, and since Modeling is worth 66 of them, strong hands-on performance is essential.
The fee is $50 per attempt. Conditional vouchers and bulk discounts exist, so check the official Onshape Learning Center listing for current offers before you pay.
Definitive expiration and renewal terms were not verified from official sources, so we do not state a validity period. Check the Onshape Learning Center for current policy before relying on any renewal timeline you see elsewhere.