CPM
This app has not yet been evaluated against our instructional invariants. The analysis below is based on independent research.
The Bottom Line
Partially. While The Learning Standard has not formally evaluated CPM yet, its problem-based approach forces active retrieval and deep conceptual thinking rather than rote memorization. It requires strong teacher facilitation to prevent cognitive overload, but provides robust digital tools and integrated formative assessments to track mastery over time.
Pros
- Uses problem-based learning to promote active retrieval and deeper conceptual understanding.
- Integrates formative assessments directly into the workflow to help educators track student mastery.
- Includes targeted homework help that acts as scaffolding rather than just providing the final answer.
- Structures lessons around collaborative problem-solving to encourage peer-to-peer explanation.
Cons
- High risk of cognitive overload for students who lack strong foundational math skills.
- Requires extensive teacher facilitation and professional development to implement effectively.
- Lacks an algorithmic spaced repetition system for individualized spiral review.
Does CPM Actually Teach?
CPM is a highly effective, rigorous math curriculum for your child if their teacher is trained to facilitate its problem-based model. Unlike traditional math textbooks that show a formula and ask students to practice it fifty times, CPM forces your child to discover math concepts through complex problems. This approach builds deep conceptual understanding and utilizes productive struggle, a proven learning science concept that strengthens long-term memory. However, this means your child cannot simply passively absorb information. They must actively engage, collaborate with peers, and explain their reasoning. If your child struggles with foundational math skills, this discovery-based approach may cause initial frustration or cognitive overload. The platform includes digital ebooks, online tools, and built-in homework help to provide scaffolding when your child gets stuck. Because this is a curriculum designed for classroom adoption rather than an independent consumer app, your child's success depends heavily on how their school implements the collaborative structures and formative assessments. The Learning Standard has not yet formally rated CPM, but its core pedagogical foundation aligns strongly with modern research on active learning and critical thinking.
How Does CPM Help Students Learn?
CPM uses a problem-based, student-centered pedagogy where learners discover mathematical principles through guided, collaborative problem-solving. Instead of beginning with explicit instruction or worked examples, students start with a complex scenario that requires them to apply prior knowledge to figure out new concepts. Teachers act as facilitators rather than lecturers. The digital platform delivers interactive ebooks equipped with digital tools like graphing calculators and manipulatives. As students work through the modules, the system captures data via integrated formative assessments, allowing educators to monitor comprehension in real-time. The curriculum emphasizes spiraling, meaning topics introduced early in the year reappear in later assignments to leverage spaced practice. For independent practice, the platform includes a homework help feature that offers hints and scaffolding steps rather than simply revealing the correct answer. This ensures students maintain active retrieval efforts even when working outside the classroom.
Where Does CPM Excel and Fall Short?
CPM's biggest strength is its reliance on productive struggle to build deep conceptual understanding, while its biggest weakness is the high risk of cognitive overload for students lacking foundational skills. By forcing students to solve complex problems before receiving the formula, CPM leverages active learning and elaboration. This prevents the illusion of competence often created by traditional drill-and-practice worksheets. The curriculum also employs spaced practice by systematically revisiting past concepts in daily assignments, which strengthens long-term retention. However, problem-based learning requires significant working memory capacity. Students who have gaps in their math knowledge may find the lack of immediate, explicit worked examples overwhelming. Without strong teacher facilitation, the collaborative group work model can lead to unequal participation or shared misconceptions. The platform mitigates some of this friction through its digital homework help, which provides structured hints, but it still demands a high level of intrinsic motivation and peer-to-peer communication.
Is CPM Right for Your Child?
Best for middle and high school classrooms seeking a rigorous, collaborative math curriculum that replaces traditional lectures with active discovery. It is specifically designed for students in grades 6 through 12 who benefit from peer-to-peer explanation and deep conceptual problem-solving. CPM is not a standalone tutoring app or an independent study tool for homeschoolers lacking a trained facilitator. It requires a dedicated classroom environment where teachers can monitor group dynamics, deploy the integrated formative assessments, and guide students through productive struggle to master complex mathematical standards.
Frequently Asked Questions About CPM
Is CPM free?
CPM is not free for individual users. It is an enterprise-level curriculum purchased by school districts, and pricing requires contacting the vendor directly for a customized quote based on implementation size and required professional development. Parents and students typically access the platform and its digital resources for free as long as their child's school has paid for the active district-wide license.
Is CPM good for middle school and high school students?
Yes, CPM is specifically designed for students in grades 6 through 12. Its problem-based structure aligns well with the cognitive development of adolescents, encouraging peer collaboration and abstract reasoning. Because middle and high school math requires complex logical deduction, this interactive peer-to-peer learning model helps older students verbalize their thought processes, defend their mathematical reasoning, and solidify their grasp on advanced secondary math standards.
What does CPM teach?
CPM teaches comprehensive secondary mathematics, covering middle school math foundations through high school algebra, geometry, pre-calculus, and calculus. It aligns closely with standard educational math benchmarks and state standards. Rather than teaching these subjects through rote memorization, it forces students to learn the underlying mechanics of mathematical formulas, ensuring they can apply algebraic and geometric concepts to novel, real-world problems.
How does CPM compare to traditional math textbooks?
Traditional textbooks typically provide direct instruction and worked examples followed by repetitive practice, which can create a false illusion of competence. CPM flips this model, using problem-based learning where students tackle complex scenarios first to discover the underlying mathematical concepts. This approach leverages productive struggle and active retrieval, forcing students to deeply engage with the material rather than simply plugging numbers into a provided formula.
Has The Learning Standard evaluated CPM?
CPM is currently pending evaluation by The Learning Standard and has not yet received an official rating. As outlined in our methodology, formal evaluation requires a rigorous analysis of user data, pedagogical alignment, and observable learning outcomes before we issue a definitive verdict. We are currently gathering efficacy data on how well its problem-based model translates to measurable student achievement.
Is CPM safe for kids?
Yes, CPM is safe for students to use. Because it is deployed directly through school districts, the platform strictly adheres to standard educational data privacy laws and school compliance regulations. The application does not include any social networking features, it avoids third-party advertising, and it restricts data collection to the specific metrics required for teachers to evaluate student academic performance and mastery.
Data Transparency
22 of 35 checks passed
Evaluated April 2026
View privacy policy →View all 35 checks
Parent Access7/8
Does the policy mention parents specifically?
“CPM does not permit children under the age of 13 to create an account without the consent... of a parent”
Can parents view their child's data?
“providing means by which parents and eligible students may review and correct Student Records.”
Can parents modify their child's data?
“To review, correct, update, or delete Personal Information in a Student Record, a parent... should contact the school”
Can parents delete their child's account?
“Parents may also submit deletion requests directly to us.”
Is there a dedicated Children's Privacy section?
“9. Children Under 13 / Children’s Privacy Policy”
Does it reference COPPA compliance?
“The policy has a Children Under 13 section but does not explicitly mention the acronym COPPA.”
Does it reference FERPA compliance?
“Prior to the transmission of any Student Records... in accordance with FERPA”
Is parental consent required for child accounts?
“does not permit children under the age of 13 to create an account without the consent... of a parent”
Data Portability2/5
Can users access their personal data?
“wish to correct, update, delete, or limit use of any Personal Information, contact us”
Can users download/export their data?
“Residents of Colorado, Delaware, Indiana, New Jersey, and Oregon have the right to... Data portability.”
Is there a self-service data access tool?
“No self-service tool is mentioned; requests must be made by emailing the provided address.”
Is a specific data format mentioned for export?
“The policy mentions data portability for certain states but does not specify an export format.”
Is there an API for data access?
“The policy does not mention API access for user data.”
Data Minimization2/6
Is data collection itemized?
“you may be asked to provide your name, email address, mailing address, phone number, employer”
Can the app be used without a real name?
“The policy states "you may be asked to provide your name" but does not state a real name is not needed.”
Can the app be used without an email?
“The policy lists email address as collected information and does not explicitly say an email is not needed.”
Does it state collection is limited to what is necessary?
“We only collect as much information as is reasonably necessary for the child to access and use the Website.”
Is IP address anonymized or truncated?
“The policy mentions collecting IP addresses but does not explicitly state they are anonymized or truncated.”
Is location tracking explicitly excluded?
“The policy does not explicitly exclude or mention location tracking.”
Third-Party Protection5/7
Does it explicitly state no selling of data?
“CPM will not provide or sell to any third party any Personal Information in a Student Record”
Are third-party providers named?
“The policy lists "categories of third parties" but does not name the specific third-party providers.”
Are providers contractually restricted?
“these providers are not permitted to use the information except to help us conduct and improve our business”
No-targeted-advertising commitment?
“We do not use Personal Information to perform targeted advertising.”
Is AI/ML data sharing addressed?
“The policy does not address data sharing for AI or machine learning models.”
Child-specific sharing restriction?
“CPM does not use any third-party providers who collect or maintain information from children.”
Cookies/tracking limited or opt-out?
“You can set your browser to refuse cookies or alert you when cookies are being sent.”
Deletion & Retention3/5
Can users delete their account?
“wish to correct, update, delete, or limit use of any Personal Information, contact us at security@cpm.org”
Self-service deletion mechanism?
“Deletion requests must be submitted by contacting the school or emailing security@cpm.org; no self-service mechanism.”
Specific data retention timeline?
“Within one week following expiration of the applicable semester, class, or program, all related data... shall be deleted”
Auto-deletion of inactive accounts?
“The policy mentions deleting data after the expiration of a semester or program, but not specifically for inactive accounts.”
Post-deletion handling described?
“the data will be securely de-identified or destroyed.”
Advertising3/4
Advertising model explicitly disclosed?
“We do not share your Personal Information with unaffiliated third parties for advertising purposes.”
Free from third-party advertisements?
“Third-Party Advertising. We do not share your Personal Information with unaffiliated third parties for advertising purposes.”
Children excluded from ad targeting?
“CPM does not use or disclose Student Records for targeted marketing.”
Ad-free option available?
“The policy does not mention an ad-free option or tier.”
What This Means
This app does not provide adequate data transparency for parents. This may mean you cannot easily access your child's data, understand what information is collected, or request deletion of personal information. We recommend considering alternatives that provide better data transparency, or using our template letters to request your data rights be honored.
About this evaluation: Based on automated analysis of CPM's privacy policy using the Common Sense Privacy Program framework. Evaluation covers 35 binary checks across 6 dimensions. Privacy policies can change — this evaluation reflects the most recent version we analyzed.
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- 6th Grade, 7th Grade, 8th Grade, 9th Grade, 10th Grade, 11th Grade, 12th Grade
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