ESA · Science Curriculum

Best ESA science curriculum 2026: what qualifies and how to choose by state rule

There is no universal best ESA science curriculumthat works in every state. Whether a science curriculum qualifies as an allowable ESA expense depends on your state’s expense categories, its definition of curriculum or instructional materials, and how you purchase and document it.

By The School Choice Index Editorial TeamPublished June 13, 2026Last reviewed May 25, 2026

Why the right science curriculum depends on your state

ESA programs use different words to describe what families can buy. Some say “curriculum,” some say “instructional materials,” some say “educational expenses.” The key question is not only whether a program is academically good — it is whether you can categorize it correctly in your state’s ESA and document it the way your state expects.

Arizona as a model: science is required, not optional

Arizona’s ESA statute — Arizona Revised Statutes §15-2402 — says families must provide education that includes at a minimum: reading, grammar, mathematics, social studies, and science. That makes science a required subject for Arizona ESA families, not a bonus. That matters when choosing curriculum: a full science course of study is easier to document as a required, allowable expense than occasional enrichment materials.

Arizona’s handbook also says ADE approves reasonable education-related expenses. For any item that does not look obviously educational, families may need documentation showing proof of a course of study. Science curriculum with a clear scope and sequence — textbooks, lab materials, and student workbooks — provides that proof more easily than a standalone kit or video series.

ESA science curriculum types and their documentation fit

Curriculum type	ESA fit	Notes
Textbook + workbook science program	Highest	Clear scope and sequence, grade level, teacher guide, student pages — easy to document as curriculum
Lab kit + curriculum bundle	High	Combined approach fits 'instructional materials' well; itemize each component
Online science courses (subscription)	Medium-High	Allowable in many states; confirm subscription type fits your state's category and purchase rules
Science enrichment kits (standalone)	Medium	May fit 'instructional materials' category; less clear without a full curricular structure
Science field trips / museum programs	Varies	Usually a separate category — may not be allowable as 'curriculum'; verify state-specific rules

How to choose the best ESA science curriculum for your family

Check your state’s required subjects. Does your state require science (like Arizona does)? If yes, your science curriculum serves both an educational and a compliance purpose.
Match the curriculum to your child’s grade level. Elementary, middle school, and high school science needs are very different. Choose a program designed for your child’s actual grade and prior knowledge.
Choose a program with clear structure. Teacher guide, student workbook, and scope and sequence are the basics. Lab materials add clarity when bundled with the curriculum.
Confirm the expense category. Check your state’s ESA handbook for whether science curriculum falls under “curriculum,” “instructional materials,” or a combined category — and follow that category’s rules exactly.
Follow your state’s purchase process. Buy through the required portal or payment method, not directly and then submit for reimbursement, unless your state explicitly allows direct reimbursement for that category.

Documentation checklist for ESA science curriculum

Purchase receipt: product name, quantity, vendor, date, price
Curriculum description showing grade level and science subject area
Scope and sequence or table of contents
Student work samples: lab reports, quiz results, completed worksheets
Portal purchase confirmation, if applicable

What to avoid

Science enrichment activities confused with curriculum — field trips and museum programs are usually a separate ESA category
Lab kits with no curricular structure — may not fit “curriculum” category without teacher guide and student materials
Standalone science videos without lesson plans or assessments
Buying science materials you cannot tie to a specific required subject or course of study

Related guides

Frequently asked questions

Is science curriculum an allowable ESA expense?

In many states, science curriculum is allowable as part of 'curriculum and instructional materials' or a similar category. But allowability is state-specific and program-specific. Verify your state's ESA handbook for the current year's allowable expense categories before purchasing any science curriculum with ESA funds.

Does Arizona require ESA families to teach science?

Yes. Arizona Revised Statutes §15-2402 says ESA families must provide education that includes at a minimum reading, grammar, mathematics, social studies, and science. Science is explicitly required — not optional — for Arizona ESA families. Curriculum that covers science as part of a full course of study is easier to document than isolated enrichment materials.

What documentation should I keep for ESA science curriculum purchases?

Keep the purchase receipt or invoice (product name, quantity, vendor, date, price), a description of the scope and sequence of the science curriculum, a record of what grade level it covers, any student work samples (lab reports, quizzes, completed worksheets), and portal confirmation if your ESA uses a purchase portal. Keep records for as long as your state's ESA handbook requires.

Is a science kit or lab kit allowable as an ESA expense?

A science or lab kit may be allowable if it clearly supports a course of study as an instructional material. Whether it qualifies depends on your state's allowable expense language. A kit that is part of a full science curriculum (teacher guide, student pages, and materials) is generally easier to document than a standalone kit with no curricular structure. Verify your state's rules before buying.

What is the difference between an ESA-allowable science curriculum and a science enrichment activity?

An ESA-allowable science curriculum typically covers a full course of study in science — with lesson plans, student work, and assessments — and fits an allowable expense category. A science enrichment activity (a field trip, a museum visit, a science club) may or may not be allowable, and is more likely to fall in a separate category with its own rules. Check your state's handbook to see if enrichment activities are in a separate allowable category.

Does the type of science curriculum matter for ESA documentation?

Yes. A curriculum with a clear scope and sequence, grade-level labels, teacher guides, and student work components is easiest to document. A curriculum that includes both a textbook and associated lab materials is even clearer. A loose set of science videos or enrichment worksheets without a course structure is harder to classify as 'curriculum' — and may face more scrutiny if audited.

Find my state’s ESA ESA curriculum for elementary school