- What EA/Science Certification Actually Is
- Who Issues It and What the Certificate Covers
- The Four Components and Their Weights
- Inside Component 1: The Content Knowledge Assessment
- Components 2-4: Classroom-Evidence Portfolios
- The Nine Science Standards Behind the Assessments
- Eligibility, Fees and Registration Mechanics
- How Passing Is Determined
- Sequencing Your Preparation Around the Components
- Keeping the Certificate: Maintenance of Certification
- Frequently Asked Questions
- EA/Science is National Board Certification for teachers of science to students ages 11-15, issued by NBPTS.
- Certification has four components: Component 1 is computer-delivered; Components 2-4 are classroom-evidence portfolios.
- Component 1 carries 40% of the total weighted score; Component 3 carries 30%.
- Passing needs a total weighted scaled score of at least 110, plus 1.75 unweighted averages on both the assessment-center and portfolio sides.
What EA/Science Certification Actually Is
EA/Science stands for National Board Certification in the Early Adolescence/Science certificate area. It is an advanced, voluntary credential for experienced teachers who work with students ages 11-15 and teach science. Unlike an entry-level licensure test, it measures accomplished practice: how well you know your science, how you plan and differentiate instruction, how you run a classroom, and how thoughtfully you reflect on your own teaching.
The name matters because the same letters appear elsewhere. On this site, and throughout this article, EA/Science refers only to the National Board credential for early adolescence science teachers. If you want a quick orientation on terminology, our short explainers What Is EA/Science? and What Does EA/Science Stand For? cover the naming, while this article walks through how the certification itself is built.
Who Issues It and What the Certificate Covers
The certificate is issued by the National Board for Professional Teaching Standards (NBPTS). The certificate area is Early Adolescence/Science, and it is designed around the developmental stage of students roughly in the middle grades. The scope of the credential is the entire four-component initial certification process, not a single test day.
That distinction is the first thing candidates misunderstand. There is no single question count or timer that describes the whole certification. Component 1 is a timed, computer-delivered content exam, while the other three components are portfolios built from your real classroom work over time. Any number you hear about "the exam" usually describes Component 1 alone.
The Four Components and Their Weights
The certification is organized into four assessment components. Each contributes a share of your total weighted scaled score. These are assessment components, not four science-content domains and not four separate written exams.
| Component | Name | Weight | Delivery |
|---|---|---|---|
| Component 1 | Content Knowledge | 40% | Computer-delivered at a Pearson Professional Center |
| Component 2 | Differentiation in Instruction | 15% | Classroom-evidence portfolio |
| Component 3 | Teaching Practice and Learning Environment | 30% | Classroom-evidence portfolio |
| Component 4 | Effective and Reflective Practitioner | 15% | Classroom-evidence portfolio |
Component 1 is the largest single weight at 40%, followed by Component 3 at 30%. Together they account for 70% of the total weighted score, which is why a candidate with strong content knowledge and a strong teaching-practice portfolio has a structural advantage. For a deeper walk through how each piece is built, see our EA/Science exam domains guide.
Inside Component 1: The Content Knowledge Assessment
Component 1 is the part that feels most like a traditional exam. It is delivered by Pearson Professional Assessments at Pearson Professional Centers and splits evenly between two formats: selected-response items account for half of Component 1, and three constructed-response exercises account for the other half.
Format and Timing
- Selected-response items: approximately 45 items, of which 40 are scored and five are embedded, unscored field-test items.
- Constructed-response exercises: three exercises, named Data Analysis, Contexts of Science, and Development of Scientific Concepts.
- Answering time: 60 minutes for selected responses plus 30 minutes per constructed-response exercise, totaling 150 minutes.
- Appointment length: approximately three hours, including the nondisclosure agreement, tutorial and a break.
- Tools: a built-in scientific calculator, constants and periodic table are provided. Personal calculators and outside references are prohibited.
The timing and security rules come from the Component 1 Assessment Center Policy and Guidelines. Because the linked file has appeared in more than one revision, confirm the current version and admission instructions before test day rather than relying on a secondhand summary.
The Selected-Response Blueprint
The selected-response items follow a three-part blueprint. These approximate percentages apply only to the selected-response items, not to all of Component 1 and not to the whole certification.
Knowledge of Science Practices and Context (Standard II), approximately 30%
This area tests how science works as a way of knowing, rather than isolated facts.
- Nature of Science
- Understanding of Inquiry
- Context of Science
Knowledge of Science Content (Standard II), approximately 50%
The largest slice of the selected-response items covers the three major content areas that middle-grades science teachers are expected to command.
- Earth and Space Science
- Life Science
- Physical Science
Curriculum, Instruction, and Learning Environment (Standards III, V), approximately 20%
These items connect science knowledge to the work of teaching it safely and effectively.
- Crosscutting Principles
- Assessing and Addressing Preconceptions
- Safety
What the Constructed Responses Ask of You
The three constructed-response exercises reward applied reasoning in writing. Data Analysis asks you to interpret scientific data. Contexts of Science asks you to reason about science in a broader setting. Development of Scientific Concepts asks you to show how you would build student understanding of a concept. Strong answers are specific, organized and grounded in sound science, and they fit inside a 30-minute window per exercise, so practice with a timer matters. Our EA/Science difficulty guide explains where candidates tend to lose points in this format.
Components 2-4: Classroom-Evidence Portfolios
Components 2, 3 and 4 are portfolios built from evidence of your actual teaching rather than a timed test. They are where National Board Certification differs most sharply from a conventional exam.
- Component 2, Differentiation in Instruction (15%): demonstrates how you tailor instruction to the varied needs of your students.
- Component 3, Teaching Practice and Learning Environment (30%): demonstrates your instructional practice and the environment you create. Its 30% weight makes it the second most influential component.
- Component 4, Effective and Reflective Practitioner (15%): demonstrates how you use assessment, reflection and professional growth to improve.
Your classroom context also has to qualify. For early adolescence, classroom evidence ordinarily requires access to at least six students, with at least 51% aged 11-15, subject to component-specific instructions. Check this early, because a mismatch between your student population and the requirement can stall a portfolio. Our EA/Science requirements guide covers eligibility in more detail.
The Nine Science Standards Behind the Assessments
Every component is anchored to the Science Standards, Third Edition. The full certificate draws on nine standards:
- Understanding Students
- Knowledge of Science
- Curriculum and Instruction
- Assessment
- Learning Environment
- Family and Community Partnerships
- Advancing Professionalism
- Diversity, Fairness, Equity, and Ethics
- Reflection
These are unweighted professional standards, not additional weighted exam domains. Think of them as the lens through which evaluators read your work. A portfolio entry that shows you understanding your students, assessing them purposefully and reflecting on the result is speaking the language of these standards, even when the standard is not named on the page.
Eligibility, Fees and Registration Mechanics
Who Can Apply
Eligibility requires an accredited bachelor's degree and a valid state teaching license, or satisfaction of state licensure requirements, before you register. You must also verify three successful years of licensed teaching by June 30 of your third candidacy year. Once you start, you must attempt all four components within three years and achieve certification within five.
What It Costs
| Item | Fee |
|---|---|
| Initial fee, per component | $475 |
| Initial fee, all four components | $1,900 |
| Registration, per assessment cycle | $75 |
| Component 1 retake, per exercise and/or selected-response section | $125 |
| Portfolio retake, per component | $475 |
The partial retake pricing for Component 1 is a notable feature: you can retake only the exercise or selected-response section you need rather than the entire component. For budgeting, funding options and a full cost walkthrough, read our EA/Science certification cost breakdown.
The 2026-27 Cycle Dates
For the 2026-27 cycle, registration ends February 28, 2027, and Component 1 testing runs March 1 through June 15, 2027. Because Component 1 is scheduled at a Pearson Professional Center, plan your appointment well ahead of the window's close. Our EA/Science exam dates guide tracks scheduling details.
How Passing Is Determined
Passing is not a single cut score on a single test. To certify, you need all of the following:
- Meeting the eligibility requirements.
- An assessment-center unweighted average of at least 1.75.
- A portfolio unweighted average of at least 1.75.
- A total weighted scaled score of at least 110.
There is no universal 2.75-per-component passing rule, so ignore any source that states one. Because the weighted total is what finally decides the outcome, a strong result in a heavily weighted component can offset a weaker result elsewhere, provided the two unweighted averages still clear 1.75. The EA/Science passing score guide unpacks the arithmetic, and our pass rate analysis discusses what published data does and does not tell you.
Key Takeaway
Do not treat Component 1 as the whole credential. Its 40% weight makes it the single biggest lever, but Component 3 at 30% means your classroom evidence has to be just as deliberate as your content review.
Sequencing Your Preparation Around the Components
Rather than a generic plan, let the structure of the certification set your order of work. Portfolios take sustained classroom effort, while Component 1 rewards concentrated review, so a staggered approach tends to fit the calendar.
Map the blueprint and your gaps
- Read the Component 1 blueprint and rate yourself on Earth and Space, Life and Physical Science.
- Confirm your classroom meets the six-student, 51% aged 11-15 evidence requirement.
Build portfolio evidence early
- Collect classroom artifacts for Components 2 and 3 while instruction is happening.
- Draft Component 4 reflections as you go rather than after the fact.
Concentrate on Component 1
- Review your weakest content area first, since content is about half of the selected-response items.
- Practice the three constructed-response exercises under a 30-minute limit.
The logic is simple: portfolio evidence comes from real instruction that cannot be recreated in a weekend, so start it first, and save the timed Component 1 practice for the final stretch when the format matters most. For a broader preparation framework, see our EA/Science study guide and the one-page cheat sheet for last-minute review. When you are ready to test your recall under realistic conditions, try the EA/Science practice questions on the main site.
Keeping the Certificate: Maintenance of Certification
Once earned, certification is maintained every five years through Maintenance of Certification (MOC). MOC is a two-component portfolio based on two Professional Growth Experiences, and a successful MOC extends certification for five more years. The MOC fee is $495 plus the $75 registration fee.
MOC is a different process from the initial certification described above, so do not assume initial exam preparation transfers directly. If you are weighing whether the whole investment pays off, our ROI analysis and salary guide discuss compensation and career considerations qualitatively, and the main practice site at boardquiz.com has study tools to support your preparation.
Frequently Asked Questions
It means National Board Certification in Early Adolescence/Science, issued by NBPTS for teachers of science to students ages 11-15. It recognizes accomplished teaching practice rather than entry-level competence.
No. It has four components. Component 1 is a computer-delivered content assessment, and Components 2-4 are classroom-evidence portfolios. No single question count or timer describes the entire certification.
Answering time is 150 minutes: 60 minutes for selected responses plus 30 minutes for each of the three constructed-response exercises. The full appointment runs approximately three hours including the NDA, tutorial and break.
You need an assessment-center unweighted average of at least 1.75, a portfolio unweighted average of at least 1.75, and a total weighted scaled score of at least 110, along with meeting eligibility. There is no universal 2.75-per-component rule.
Initial fees are $475 per component or $1,900 for all four, plus a $75 registration fee per assessment cycle. Component 1 retakes are $125 per exercise or section, and portfolio retakes are $475 per component.