Comprehensive Curriculum. Research-Based. Teacher-Trusted.
Essential Skills offers one of the most comprehensive K–6 online curriculum libraries available, with over 70 teacher-developed programs spanning reading, math, science, geography, and English language learning. Instruction is carefully sequenced, research-based, and designed to deliver explicit skill mastery through multisensory practice.
Developed by experienced classroom teachers and trusted by schools for over 25 years, Essential Skills is built to support real learners in real classrooms — including struggling students, English learners, and those receiving special education services. Every lesson is designed to close learning gaps, build confidence, and produce measurable results.
Every Essential Skills subscription includes full access to every program listed on our website — there are no add-ons, tiers, or exclusions.
Basic Skills Series
This comprehensive program provides thorough coverage of your reading curriculum standards at the Kindergarten level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Kindergarten
This comprehensive program provides thorough coverage of your reading curriculum standards at the Grade 1 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 1
This comprehensive program provides thorough coverage of your reading curriculum standards at the Grade 2 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 2
This comprehensive program provides thorough coverage of your reading curriculum standards at the Grade 3 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 3
Five comprehensive programs provide thorough coverage of your reading curriculum standards at the Grade 4 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 4
Four comprehensive programs provide thorough coverage of your reading curriculum standards at the Grade 5 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 5
Three comprehensive programs provide thorough coverage of your reading curriculum standards at the Grade 6 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 6
This comprehensive program provides thorough coverage of your math curriculum standards at the Kindergarten-Grade 1 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Kindergarten, Grade 1
This comprehensive program provides thorough coverage of your math curriculum standards at the Grade 2 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 2
This comprehensive program provides thorough coverage of your math curriculum standards at the Grade 3 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 3
Understanding place value, rounding, skip counting, recognizing large numbers, working with decimals, fractions and problem solving are among the skills covered in this comprehensive package.
Designed for: Grade 4
Understanding place value, rounding, skip counting, recognizing large numbers, working with decimals, fractions and problem solving are among the skills covered in this comprehensive package.
Designed for: Grade 5
All Grades
This comprehensive program provides thorough coverage of your reading curriculum standards at the Kindergarten level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Kindergarten
This comprehensive program provides thorough coverage of your reading curriculum standards at the Grade 1 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 1
This comprehensive program provides thorough coverage of your reading curriculum standards at the Grade 2 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 2
This comprehensive program provides thorough coverage of your reading curriculum standards at the Grade 3 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 3
Five comprehensive programs provide thorough coverage of your reading curriculum standards at the Grade 4 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 4
Four comprehensive programs provide thorough coverage of your reading curriculum standards at the Grade 5 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 5
Three comprehensive programs provide thorough coverage of your reading curriculum standards at the Grade 6 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 6
This comprehensive program provides thorough coverage of your math curriculum standards at the Kindergarten-Grade 1 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Kindergarten, Grade 1
This comprehensive program provides thorough coverage of your math curriculum standards at the Grade 2 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 2
This comprehensive program provides thorough coverage of your math curriculum standards at the Grade 3 level. Hundreds of activities reinforce concepts and ensure complete standards mastery.
Designed for: Grade 3
Understanding place value, rounding, skip counting, recognizing large numbers, working with decimals, fractions and problem solving are among the skills covered in this comprehensive package.
Designed for: Grade 4
Understanding place value, rounding, skip counting, recognizing large numbers, working with decimals, fractions and problem solving are among the skills covered in this comprehensive package.
Designed for: Grade 5