AP Computer Science Principles: What It Covers and Who Should Take It

AP Computer Science Principles is the broader of the College Board's two computer science courses, and it's designed for students with no programming background. Rather than teaching one language in depth, it covers how computing works as a whole: data, algorithms, networks, and computing's effects on society.

It's also structured differently from most AP courses. A significant part of your score comes from a program you build during the school year rather than from anything you do on exam day.

This guide covers what the course contains, how the exam works, how difficult it actually is, and who it suits. Veritas AI pairs high school students with mentors, often PhDs or PhD candidates in machine learning, which is a natural next step if AP CSP leaves you wanting to build something more technical.

Key Takeaways

• AP CSP is a broad introduction to computing that assumes no prior programming experience.

• The course is organized around five Big Ideas, from creative development to the impact of computing.

• The exam has two parts: a 70-question multiple-choice section worth 70 percent, and the Create performance task worth 30 percent.

• The Create performance task is a program you build during the year and submit through the AP Digital Portfolio.

• You write about your own program on exam day, using a reference document you prepared in class.

• AP CSP is easier than AP Computer Science A and works well as a first course before it.

What Is AP Computer Science Principles?

AP CSP is a survey course that covers how computing works, what it can do, and how it changes the world. The College Board designed it to be accessible to students who have never written a line of code, so it doesn't require any specific programming language.

That last point surprises people. Your teacher might use Python, JavaScript, Scratch, or a block-based tool, and the exam is written in pseudocode so it works regardless of what your class used.

The course also spends real time on non-coding material: how the internet works, how data gets collected and analyzed, and how computing affects privacy, equity, and society. This breadth is what separates it from AP Computer Science A, a focused Java programming course.

What Are the Five Big Ideas?

The College Board organizes the framework around five Big Ideas.

Creative Development covers the process of building programs, including collaboration, design decisions, and testing and debugging. Data covers how information is stored, compressed, and turned into insight, along with the limits of what data can tell you.

Algorithms and Programming is the largest and most technical portion of the exam. It covers variables, conditionals, loops, lists, procedures, and algorithm efficiency, all expressed in pseudocode rather than a specific language.

Computer Systems and Networks covers how the internet actually works, including packets, protocols, redundancy, and parallel computing. Impact of Computing is the second-largest portion and covers the social side, including digital divides, bias in computing systems, privacy, and security. Students who arrive expecting a pure coding class are often surprised by how much weight this carries.

How Is the AP CSP Exam Structured?

The exam has two components, and only one happens on exam day.

Section I has 70 multiple-choice questions in 120 minutes, worth 70 percent of your score, and is taken digitally through the Bluebook app with four answer options per question. Questions use pseudocode, so you don't need to know any particular language's syntax.

Section II is the Create performance task, worth the remaining 30 percent. You build the program during the school year and submit it through the AP Digital Portfolio by April 30. On exam day, you also answer two written-response questions about your own program, broken into four prompts, using a Personalized Project Reference you prepared in class and can consult during the exam.

That structure means a meaningful part of your grade is locked in before you sit down on test day, which is unusual among AP exams and worth planning around.

What Is the Create Performance Task?

The Create task is a program you design that solves a problem or expresses an idea. You get at least nine hours of in-class time to work on it, though most students spend more.

You submit three components: your program code, a video showing the program running, and a Personalized Project Reference containing selected portions of your code. The reference document is what you'll consult when answering the written-response questions on exam day, so building it carefully matters.

You can collaborate with classmates during development, but the work you submit for scoring must be your own. The written prompts change every year and aren't published in advance, so you can't prepare specific answers, only a genuine understanding of your own program.

Starting early is the advice every AP CSP teacher gives, and most students ignore. A program you build in a rush is much harder to explain clearly under time pressure.

Is AP Computer Science Principles Hard?

AP CSP is one of the more approachable AP courses, particularly compared to AP Computer Science A. It assumes no prior experience, the multiple-choice section tests concepts rather than syntax, and the score distribution is more forgiving, with most students landing in the middle rather than at the extremes.

The genuine difficulty sits in two places. The Create performance task requires sustained work across months, and students who procrastinate on it struggle badly. The Impact of Computing material also requires memorizing terminology and concepts that feel disconnected from the coding portion.

Students with prior programming experience usually find the coding content easy and the conceptual content less so. Students with no background often find the reverse, which matters when you plan where to spend study time.

Should You Take AP CSP or AP Computer Science A?

Take AP CSP first if you've never programmed. It's built for that starting point, and it gives you a foundation across the whole field rather than depth in one language.

Take AP Computer Science A instead if you already code, or if you're fairly sure you want a computer science major, since CSA is a real programming course in Java and more reliably earns credit toward an introductory college CS requirement.

Taking both is a common and sensible sequence, usually CSP one year and CSA the next. Colleges generally grant less credit for CSP than CSA, so if credit is your main goal, CSA is the stronger option. Check specific schools through the College Board's credit policy search rather than assuming.

Who Should Take AP Computer Science Principles?

It suits students who are curious about technology but unsure whether they want to program seriously. The breadth means you'll touch data, networks, ethics, and coding, and your reaction to each tells you something useful about where to go next.

It's also a reasonable fit for students in other fields who want computing literacy. The data and impact material is genuinely relevant to journalism, policy, medicine, and business, and it's more useful in those contexts than a semester of Java.

It's a weaker fit if you already program well. You'll likely find the coding content slow, and you'd be better off spending that time on CSA or building projects outside of class.

What Comes After AP CSP?

If the course confirmed that you like this material, the natural next step is depth. AP Computer Science A is the obvious in-school option. Outside of school, building something substantial teaches you more than another survey course will.

The Create task is a useful signal here, since students who enjoyed designing their own program usually enjoy real project work far more than coursework. That's the experience Veritas AI is designed around: the AI Scholars program spends ten weeks in a small group covering machine learning fundamentals, Python, data analysis, and model evaluation, and the AI Fellowship pairs you one-on-one with a mentor for twelve to fifteen weeks to build an original applied AI research project.

Mentors are often PhDs or PhD candidates from schools like Harvard, Stanford, Yale, Oxford, Cornell, and Columbia. Since AP CSP introduces data and algorithms without going deep into either, it's a reasonable launching point into applied AI work if that's the direction that interests you.

Resources

Official College Board resources

• AP CSP Course and Exam Description: The full framework, Big Idea weightings, and exam details.

• AP CSP Assessment Overview: Official breakdown of both exam sections.

• Past Exam Questions: Released materials with scoring guidelines and sample responses.

• AP Credit Policy Search: Check what individual colleges grant for your score.

Free practice

• Code.org AP CSP: A widely used free curriculum aligned to the course.

• Khan Academy Computing: Free lessons covering algorithms, data, and internet fundamentals.

Frequently Asked Questions About AP Computer Science Principles

1. Is AP Computer Science Principles hard?

It's among the more approachable AP courses, since it assumes no prior programming experience and tests concepts rather than language syntax. The hardest part for most students is managing the Create performance task over months, not the exam itself.

2. What programming language does AP CSP use?

None specifically. Teachers choose their own, commonly Python, JavaScript, or a block-based language, and the exam uses pseudocode so it works regardless of what your class used.

3. How is the AP CSP exam scored?

Seventy percent comes from 70 multiple-choice questions taken digitally, and 30 percent comes from the Create performance task you build during the year and submit through the AP Digital Portfolio.

4. Can I take AP CSP with no coding experience?

Yes, and that's exactly who the course was designed for. Prior experience makes the programming portion easier, but the course starts from the beginning and assumes nothing.

5. Is AP CSP or AP CSA better for college credit?

AP Computer Science A generally earns more credit, since it maps onto an introductory college programming course. CSP earns credit at many schools too, but often as a general elective rather than toward a computer science requirement.

6. When is the Create performance task due?

It's submitted through the AP Digital Portfolio by April 30, ahead of the May exam. Finishing early gives you time to know your code well, since the written responses on exam day reference your own program.