Grammar for the Well-Trained Mind

Grammar for the Well-Trained Mind is a secular grammar program for grades 5-12, a four-year English grammar curriculum designed to follow First Language Lessons in the Well-Trained Mind sequence. In our assessment, it is one of the more rigorous grammar programs in the homeschool market.

Last updated: 2026-04-24 · Every Homeschool Editorial Team

At a glance

Method	Classical / subject-specialist / sentence-diagramming tradition
Worldview	Secular
Grades	5-12 (four years of instruction; any color workbook can be used in any order)
Formats	Print: Core Instructor Text plus Red, Blue, Yellow, and Purple workbooks, with answer keys
Cost tier	Standard
Parent intensity	3
ESA-common	Yes
Accredited	No
Established	2017 (first edition)
Website	welltrainedmind.com

Our scoreboard (1-5)

Criterion	Score	One-line reason
Academic rigor	5	One of the deepest grammar programs in homeschool; real sentence diagramming, full syntax
Ease of teaching	3	Scripted Core Instructor Text, but program requires direct parent-student dialogue
Content quality	5	Exercises drawn from real literature rather than constructed sentences
Flexibility	5	Four parallel workbooks, use one per year in any order, or mix for multi-child families
Value for money	4	Non-consumable instructor text makes subsequent years cheaper; workbooks are consumable
Worldview scope	5	Fully secular; sentences drawn from literature span every tradition and none
Visual/design	4	Well-Trained Mind Press production values; clean typography, no clutter
Support resources	4	Active Well-Trained Mind forums, published author, companion Grammar Guidebook reference

Who the publisher is

Well-Trained Mind Press was founded by Susan Wise Bauer, who co-wrote The Well-Trained Mind: A Guide to Classical Education at Home with Jessie Wise in 1999. That book is currently in its fourth revised edition. Well-Trained Mind Press now publishes First Language Lessons (elementary grammar, Jessie Wise), Writing with Ease (elementary writing), Writing with Skill (middle-school composition), and the Story of the World history series, each slotting into a specific stage of the WTM sequence.

Grammar for the Well-Trained Mind, written by Susan Wise Bauer and Audrey Anderson, was released starting in 2017 to fill the grammar slot for students who had finished First Language Lessons and needed to continue grammar instruction through middle and high school. The series is a continuation rather than a replacement. First Language Lessons carries K-4, and Grammar for the Well-Trained Mind carries 5-12. The product family includes the Core Instructor Text (one volume, reused across four years), four student workbooks (Red, Blue, Yellow, Purple), four answer keys, and a companion reference volume called the Grammar Guidebook.

The program is secular in the fullest sense. Sample sentences and exercise passages are drawn from real literature, fiction and nonfiction, spanning every tradition. A Catholic family, a secular family, and a Reformed Protestant family can all use this program without encountering religious or anti-religious framing. In our assessment, Well-Trained Mind Press is one of the defining secular-classical publishers in the market.

The core pedagogy

Grammar for the Well-Trained Mind is built on two pedagogical commitments. First, sentence diagramming is central to instruction, students learn the Reed-Kellogg diagramming tradition starting in lesson ten and continue diagramming increasingly complex sentences through four years. Second, exercises use real literature, paragraphs from novels, essays, and historical documents, rather than sanitized teacher-constructed sentences. A student diagramming a sentence from a Melville paragraph is simultaneously absorbing syntax and the rhythm of literary prose.

Scope and sequence is unusual. The 388-page Core Instructor Text is reused each of the four years; the student rotates through the four workbooks (Red, Blue, Yellow, Purple), each providing a completely different set of exercises against the same body of rules. This means a student who completes all four years encounters the same grammar concepts four times with different application sets each time, a spaced-repetition architecture that, in our assessment, is unusually deliberate. Cathy Duffy's review notes that the workbooks can be used in any order because the content is the same across them; only the exercises differ.

Signature mechanics: (1) One reusable Core Instructor Text + four consumable workbooks, a four-year program in which the non-consumable portion is purchased once and the consumable portion is annually refreshed. (2) Sentence diagramming at full depth, not introductory diagramming that fades away, but Reed-Kellogg diagramming applied to compound-complex sentences by year three. (3) Literature-sourced exercises, every practice passage comes from a real book, which gives the grammar study an unusual adjacency to the student's reading life. (4) Scripted dialogic instruction, the Core Instructor Text reads like a teacher's conversation with a student, and the program explicitly works best in one-on-one or small-group settings rather than as independent workbook time.

What they do exceptionally well

Rigor at depth. Our editorial view is that Grammar for the Well-Trained Mind is, alongside Analytical Grammar and the older Warriner's traditions, one of the most genuinely rigorous English grammar programs in the homeschool market.

Reusable instructor text is economical. Because the Core Instructor Text is reused across four years, a family pays once for the substantial instructional asset and then rotates through relatively inexpensive workbooks. The Blue Workbook retails at $39.95, the Yellow at $43.95 per Christianbook listings (April 2026), and the Core Instructor Text is a one-time purchase whose per-year amortized cost drops with each year it is reused.

Literature-sourced exercises. Students diagram sentences from Tolkien, Twain, Hardy, and Darwin rather than from publisher-constructed filler. This has two effects: the grammar practice is more cognitively demanding (real literary sentences are more syntactically varied than constructed ones), and the student's exposure to literary prose increases alongside the grammar instruction.

Secular-classical availability. In our assessment, Grammar for the Well-Trained Mind is a strong fit for secular classical homeschool families, for Catholic classical families wanting a grammar program without Protestant theological framing, and for classical co-ops with theologically mixed rosters.

What they do poorly

Parent presence is required. The program works best when the Core Instructor Text is read dialogically, the parent teaching and asking, the student answering. Families who want a grammar program a student can do silently with just a workbook and an answer key will find this one frustrating. The per-session parent time commitment is real.

Volume of material can overwhelm. Each workbook contains roughly 600 pages of exercises. Families who attempt to complete every exercise on every page will not finish a workbook in a year. Well-Trained Mind Press's guidance is that parents should choose among exercises rather than completing all of them.

Not the right entry point for elementary students. Grammar for the Well-Trained Mind is designed for students who have completed First Language Lessons (K-4) or an equivalent elementary grammar program. Students entering at grade 5 without foundational grammar instruction will find the program difficult; the authors assume a student who already knows parts of speech and basic sentence components.

Paper-heavy workflow. The program is print-first. There is no app, no digital workbook, no automated grading. Families who want a digital grammar product for a multi-child household will find Grammar for the Well-Trained Mind old-fashioned by design. This is a classical-education aesthetic commitment, not a limitation, but it is a commitment worth understanding in advance.

Who it fits / who it doesn't

• Pick Grammar for the Well-Trained Mind if: you want a rigorous secular grammar program for grades 5-12; you have a student who has completed First Language Lessons or equivalent and is ready for middle-school grammar; you are comfortable with a print-first, parent-led program; you value sentence-diagramming and syntactic analysis rather than grammar-by-exposure; you plan to use the Core Instructor Text across multiple years to amortize the investment; you are secular, Catholic, or non-Reformed-Protestant and want a grammar program without confessional framing.

• Skip Grammar for the Well-Trained Mind if: you want a program your student can do silently and self-grade; your student is in grades K-4 (use First Language Lessons instead); you want a brief, workbook-only grammar review (consider Easy Grammar or Daily Grams); you find sentence diagramming unnecessary or distracting; you want a digital / app-based program.

Cost honest assessment

Well-Trained Mind Press prices individual components rather than offering a single bundled package. Approximate retail per Christianbook and Well-Trained Mind Press listings as of April 2026:

• Core Instructor Text, purchased once, reused four years (approximately $55-$70 retail)
• Blue Student Workbook, $39.95
• Yellow Student Workbook, $43.95
• Red Student Workbook, comparable, approximately $39.95
• Purple Workbook (Revised), comparable
• Answer keys, $15.95-$18.95 per workbook per Christianbook listings
• Grammar Guidebook, optional reference, comparable price

A four-year run on this program, for one student, totals approximately $300-$400 including the Core Instructor Text, four workbooks, four answer keys, and incidental materials. Amortized, this is $75-$100 per year. The Level 1 Complete Package is sold as a single bundle for first-year buyers who want to purchase everything together.

ESA eligibility notes

Grammar for the Well-Trained Mind is regularly approved on state ESA marketplaces. Arizona's ClassWallet, Florida's Step Up For Students, Utah Fits All, and Iowa Student First Scholarships have historically approved Well-Trained Mind Press titles. Because the program is fully secular, it clears reviews in secular-only ESA states without difficulty. The Core Instructor Text and workbooks are separately reimbursable in most programs; the companion Grammar Guidebook may be treated either as a reference book or as a curriculum component depending on state classification. Families should verify current ESA vendor status for Well-Trained Mind Press before ordering.

Alternatives

• Analytical Grammar, a family would choose Analytical Grammar over Grammar for the Well-Trained Mind for a more compressed, three-year middle-school grammar sequence by Robin Finley that aims to teach all of English grammar in roughly three intensive years rather than four parallel ones.
• First Language Lessons + Rod & Staff English, a family would choose to continue from First Language Lessons into Rod & Staff English over Grammar for the Well-Trained Mind for a plainer, more traditionally-structured Mennonite-published grammar program at a lower price point.
• IEW Fix-It! Grammar, a family would choose Fix-It! Grammar over Grammar for the Well-Trained Mind for a much lighter daily grammar application (five minutes a day correcting a passage) integrated with IEW's writing program rather than a standalone grammar curriculum.

How we verified this

Our editorial team reviewed Well-Trained Mind Press's product pages at welltrainedmind.com, Cathy Duffy's review of Grammar for the Well-Trained Mind, Christianbook listings for the Red, Blue, Yellow, and Purple workbooks and the Core Instructor Text, and the Well-Trained Mind Press series page. Pricing verified against publisher and major retailer listings as of April 2026. The program's four-year architecture is described in the publisher's materials and corroborated in the Cathy Duffy review.