Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Homeschool Curriculum

Discovery K12 vs BookShark

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Discovery K12 #5 in Homeschool Curriculum 7.7/10 Free plan Free plan✓ 3 of 4 features Visit Discovery K12
BookShark #8 in Homeschool Curriculum 7.4/10 From $309.43 · 7-day trial Free trial✓ 4 of 4 features Visit BookShark

Discovery K12 leads on 2 checks, BookShark on 0, and 4 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDiscovery K12 · 7.7/10
  • Free planonly Discovery K12
  • Free trialonly BookShark
  • Most featuresBookShark · 4 of 4

Discovery K12 scores higher on our rubric for homeschool curriculum: 7.7 against 7.4 out of 10; our editors rank them #5 and #8.

Discovery K12 offers free plan; BookShark doesn't. Discovery K12 leads on subjects included: 7 versus 3. On curriculum format, BookShark gives you Hybrid where Discovery K12 offers Digital.

Discovery K12 is the better fit for families wanting a free digital K–12 course library. BookShark is the better fit for families preferring literature-based packages.

  • Discovery K12 fits best

    Families wanting a free digital K–12 course library

  • BookShark fits best

    Families preferring literature-based packages

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Discovery K12 7.7/10 Visit ↗ BookShark 7.4/10 Visit ↗
At a glance
Editor score 7.7 7.4
Ranking #5 in Homeschool Curriculum #8 in Homeschool Curriculum
Best for Families wanting a free digital K–12 course library Families preferring literature-based packages
Pricing model Free plan + paid Paid
Starting price — From $309.43 · 7-day trial
Free plan ✓ (best) —
Free trial — 7 days
Money-back guarantee 14 days 30 days
Deployment Cloud Cloud
Platforms Web Web
Support Email, Docs · 24/7 Email, Phone
Built for Solo, Small business Solo, Small business
Features Discovery K12 3/4 · BookShark 4/4
Lesson plans ✓ ✓
Assessments included ✓ ✓
Parent guidance ✓ ✓
Offline access Not checked yet ✓ (best)
Specs
Subjects included 7 (best) 3
Curriculum format Digital Hybrid
Grade range Pre-K through 12th grade Pre-K to age 16
Our review
Pros
  • Free account includes 180 days of daily assignments
  • More than 20,000 resources across seven main subjects
  • Paid account adds grades, attendance, reports, and transcripts
  • 36-week, four-day schedules with instructor guidance
  • Broad packages spanning history, language arts, science, and math
  • Four math integrations plus customizable package options
Cons
  • Curriculum is digital and available on the web
  • Parent/Teacher tools cost $99 per family per year
  • Families must manage pacing and teaching around the course schedule
  • Starting price is a $309.43 one-time purchase
  • The main curriculum is physical, with web access through Virtual
  • Virtual requires books and is available only through the web
Our verdict

Discovery K12 offers an online homeschool curriculum for families teaching children from Pre-K through 12th grade. The free Student Account includes 180 days of digital curriculum and daily assignments across seven main subjects, with…

Read the review →

BookShark is a literature-based homeschool curriculum for families teaching at home, with programs spanning Pre-K through age 16. Lessons use fiction, nonfiction, biographies, and illustrated books, while age-based levels provide an…

Read the review →
  1. Discovery K12Homeschool Curriculum 7.7Free plan
  2. BookSharkHomeschool Curriculum 7.4From $309.43 · 7-day trial

Strengths and trade-offs

  • Discovery K12 — where it wins

    • Free account includes 180 days of daily assignments
    • More than 20,000 resources across seven main subjects
    • Paid account adds grades, attendance, reports, and transcripts

    Where it doesn't

    • Curriculum is digital and available on the web
    • Parent/Teacher tools cost $99 per family per year
    • Families must manage pacing and teaching around the course schedule

  • BookShark — where it wins

    • 36-week, four-day schedules with instructor guidance
    • Broad packages spanning history, language arts, science, and math
    • Four math integrations plus customizable package options

    Where it doesn't

    • Starting price is a $309.43 one-time purchase
    • The main curriculum is physical, with web access through Virtual
    • Virtual requires books and is available only through the web

More comparisons

All homeschool curriculum comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update