K-12向け数学教材市場（2025年）

K-12向け数学教材の市場規模は、2030年までに33億米ドルに達する見込みです。

当レポートでは、米国の各学区がどのように教材購入を進めているかを調査し、主な採用動向、主要ベンダーの戦略、方針の策定に関する情報を提供しています。また、2030年までの詳細な市場予測を示し、AIとデジタルファーストプラットフォームが数学教育の情勢をどのように再形成しているかを明らかにしています。

目次

エグゼクティブサマリー

調査手法

第1章 数学教育の変化する情勢

• 市場の見通しと促進要因
• 達成動向と回復状況
• パンデミック後の方針転換と州レベルの動向
• 数学教室における教育革新とAI

第2章 市場規模と予測

• K-12数学市場の概要
• コア市場セグメント
• デジタル補助教材
• 印刷補助教材、教具
• 採用主導の成長パターン
• 市場の見通しと2030年までの予測（2024年度～2025年度）

第3章 市場情勢と進化

• コア教材プロバイダー
• Bridges in Mathematics（The Math Learning Center）（オレゴン州セーラム）
• Carnegie Learning（ペンシルベニア州ピッツバーグ）
• CPM Educational Program（カリフォルニア州サクラメント）
• Eureka Math（Great Minds）（ワシントンD.C.）
• Houghton Mifflin Harcourt（HMH）（ボストン、マサチューセッツ州）
• Illustrative Mathematics（アリゾナ州ツーソン）
• McGraw Hill（ニューヨーク州ニューヨーク）
• Savvas Learning Company（ニュージャージー州パラマス）
• 補助教材と介入教材のプロバイダー
• Curriculum Associates/i-Ready Math（マサチューセッツ州ノースビレリカ）
• 数学市場における成長分野

第4章 採用と購入の動向

• 評価と成績責任のプレッシャー
• 専門能力開発と教師支援モデル
• 多言語、特別集団支援
• 証拠に基づく意思決定と調査検証
• 持続可能性、所有コスト、実装価値

第5章 注目すべき動向

• 数学力の再定義
• データサイエンスと学際的進路
• AIの統合とインテリジェント指導システム
• 数学教育者の役割の変化
• 公平性、カスタマイズ、コミュニティの声
• 方針の転換と将来の資金調達モデル
• 今後の見通し
• 付録：補足データと文脈的リソース

K-12 Mathematics Instructional Materials Market Set to Reach $3.3 Billion by 2030

The K-12 Mathematics Market Survey Report, 2025 from Simba Information examines how districts are navigating instructional purchasing in the wake of ESSER III expiration and renewed emphasis on accountability. With demand rising for adaptive learning, equity-driven instruction, and measurable student outcomes, this report outlines key adoption trends, leading vendor strategies, and policy developments. It includes detailed market forecasts through 2030 and highlights how AI and digital-first platforms are reshaping the mathematics education landscape. Designed for decision-makers in publishing, EdTech, and district leadership, this report is a timely and essential guide to the future of math instruction.

Simba Information's K-12 Mathematics Market Survey Report, 2025 explores how school districts are responding to funding shifts, accountability pressures, and AI-driven innovation in math instruction. The report provides data-backed insights into adoption trends, platform features, equity-focused product development, and vendor performance. Featuring forecasts through 2030 and detailed profiles of top curriculum providers, this report is essential for anyone seeking to understand the evolving K-12 math landscape.

Table of Content

EXECUTIVE SUMMARY

METHODOLOGY

CHAPTER 1: THE CHANGING LANDSCAPE OF MATHEMATICS EDUCATION

• MARKET OUTLOOK AND DRIVERS
• ACHIEVEMENT TRENDS AND RECOVERY STATUS
• Table 1-1. NAEP Math Proficiency and Recovery Strategy Comparison, 2019 - 2024
• POST-PANDEMIC POLICY SHIFTS AND STATE-LEVEL TRENDS
• Table 1-2. Selected State Math Adoption Policies and Timing, 2024 - 2025
• INSTRUCTIONAL INNOVATION AND AI IN MATHEMATICS CLASSROOMS
• Figure 1-1. Math Instructional Materials: Emerging Areas, 2023 (% of importance)

CHAPTER 2: MARKET SIZE AND FORECAST

• OVERVIEW OF THE K-12 MATHEMATICS MARKET
• Core Market Segments
• Digital Supplements
• Print Supplements and Manipulatives
• Adoption-Driven Growth Patterns
• MARKET OUTLOOK FOR THE 2024-2025 ACADEMIC YEAR AND FORECAST THROUGH 2030

CHAPTER 3: MARKET LANDSCAPE AND EVOLUTION

• CORE INSTRUCTIONAL MATERIAL PROVIDERS
• Bridges in Mathematics (The Math Learning Center) (Salem, OR)
• Carnegie Learning (Pittsburgh, PA)
• CPM Educational Program (Sacramento, CA)
• Eureka Math (Great Minds) (Washington, DC)
• Houghton Mifflin Harcourt (HMH) (Boston, MA)
• Illustrative Mathematics (Tucson, AZ)
• McGraw Hill (New York, NY)
• Savvas Learning Company (Paramus, NJ)
• SUPPLEMENTAL AND INTERVENTION MATERIAL PROVIDERS
• Curriculum Associates/i-Ready Math (North Billerica, MA)
• Table 3-1. Comparison of Selected K-12 Mathematics Curriculum Providers, 2024 - 2025
• AREAS OF GROWTH IN THE MATHEMATICS MARKET

CHAPTER 4: ADOPTION AND PURCHASING TRENDS

• ASSESSMENT AND ACCOUNTABILITY PRESSURES
• PROFESSIONAL DEVELOPMENT AND TEACHER SUPPORT MODELS
• MULTILINGUAL AND SPECIAL POPULATIONS SUPPORT
• EVIDENCE-BASED DECISION-MAKING AND RESEARCH VALIDATION
• SUSTAINABILITY, COST OF OWNERSHIP, AND IMPLEMENTATION VALUE

CHAPTER 5: TRENDS TO WATCH

• REDEFINING MATH PROFICIENCY
• Table 5-1. Key Shifts in Math Proficiency Definitions, 2018 - 2025
• Data Science and Interdisciplinary Pathways
• Table 5-2. Math Pathway Elements in Emerging Interdisciplinary Models
• AI Integration and Intelligent Tutoring Systems
• Shifting Role of the Math Educator
• Equity, Customization, and Community Voice
• Policy Shifts and Future Funding Models
• Table 5-3. State Grant Programs Supporting Math Innovation, 2023 - 2025
• LOOKING AHEAD
• APPENDIX: SUPPORTING DATA AND CONTEXTUAL RESOURCES
• A.1 ADDRESSING TARIFF-RELATED CLIENT CONCERNS
• A.2 NAEP MATHEMATICS PERFORMANCE TRENDS (2024)
• Grade 4 Mathematics Performance
• Table A2-1 - Grade 4 Mathematics Achievement levels
• Grade 8 Mathematics Performance
• Table A2-2 - Grade 8 Mathematics Achievement levels
• State and District Highlights
• IMPLICATIONS FOR MATHEMATICS EDUCATION
• A.3 SELECTED SURVEY FINDINGS FROM THE 2023 REPORT
• B. METHODOLOGY OVERVIEW
• C. GLOSSARY OF TERMS
• Note: Use of the Term "Equity" in This Report
• Table C 1- State Adoption Cycle Focus Areas