Each year, the U.S. Department of Education’s Office of Special Education Programs (OSEP) gives every state an IDEA Part B determination, one of four categories:
| Determination | How it is assigned |
|---|---|
| Meets Requirements | Final RDA score of 80% or higher |
| Needs Assistance | Final RDA score of 60% to 79.9% |
| Needs Intervention | Final RDA score below 60% |
| Needs Substantial Intervention | No score cutoff. Assigned after a state has been in Needs Intervention for several years |
The RDA (Results Driven Accountability) score is the average of a results score (student outcomes) and a compliance score (meeting IDEA’s procedural requirements).
OSEP has made determinations using the RDA framework since 2014. This report shows (1) how many states received each determination from 2014 to 2026, and (2) the 2026 determinations alongside each state’s RDA scores.
Number of states (50 states + DC) receiving each IDEA Part B determination, by year.
Number of states with each determination, by year
| Year | Meets Requirements | Needs Assistance | Needs Intervention | Needs Substantial Intervention | Total |
|---|---|---|---|---|---|
| 2026 | 20 | 26 | 5 | 0 | 51 |
| 2025 | 19 | 31 | 1 | 0 | 51 |
| 2024 | 20 | 31 | 0 | 0 | 51 |
| 2023 | 22 | 29 | 0 | 0 | 51 |
| 2022 | 21 | 30 | 0 | 0 | 51 |
| 2021 | 22 | 29 | 0 | 0 | 51 |
| 2020 | 21 | 28 | 2 | 0 | 51 |
| 2019 | 20 | 31 | 0 | 0 | 51 |
| 2018 | 21 | 28 | 2 | 0 | 51 |
| 2017 | 22 | 29 | 0 | 0 | 51 |
| 2016 | 24 | 25 | 2 | 0 | 51 |
| 2015 | 19 | 30 | 2 | 0 | 51 |
| 2014 | 15 | 32 | 4 | 0 | 51 |
Scroll inside the table to see earlier years.
How to read this chart. Each bar is one year and always adds up to 51 (50 states + DC). The colored segments show how many states received each determination; segment sizes are printed when there is room (4 or more states). Needs Substantial Intervention is listed in the legend for completeness and shown in grey because it is not part of the score scale.
What this shows
Drag the year slider under the map (or press Play) to move through 2014-2026. Each state is filled with that year’s determination. A bright neon outline marks a state whose determination changed from the year before. Hover over a state for its name and its determinations that year and the year before. The map needs an internet connection to draw state shapes.
Fill: Meets RequirementsNeeds AssistanceNeeds InterventionNeeds Substantial Intervention
Final RDA scores are the average of compliance and results scores. The RDA score is used to give each state a determination. Meets Requirements is an RDA score of 80% or higher, Needs Assistance is a score of 60% to 79.9%, and Needs intervention is a score below 60%.
Each block is a state, ordered by its 2026 final RDA score (highest at top). Cutoffs: Meets Requirements 80% or higher, Needs Assistance 60% to 79.9%, Needs Intervention below 60%.
How to read this chart.
What this shows
The final RDA score is the average of the results and compliance scores. The dashed lines mark a final score of 80% (upper line) and 60% (lower line). States with identical scores share a point.
How to read this chart.
What this shows
Each state’s results, compliance and final RDA scores for the 2023-2026 determinations, with the points earned and points available behind each percentage.
How to use it. Type a state’s name or two-letter code in the box (a list of matching states appears as you type) and press Enter or pick one from the list. California is shown first. Hover over any bar or dot for its exact score and points.
How to read this chart.
Each dot is one state’s final RDA matrix score in one year, colored by the determination it received that year. A thin grey line joins each state’s dots, and the state’s name is next to its last (2026) dot.
How to use it. Type a state’s name or two-letter code and press Enter (or pick it from the list) to add it; click × on a state to remove it. You can compare 1 to 5 states at a time. Hover over a dot for the final score and its results and compliance breakdown.