State rankings
Common Core States
Wyoming has the highest Year Common Core Was Adopted (2012), followed by Washington (2011) and Louisiana (2011). Vermont has the lowest (2010).
Year Common Core Was AdoptedBetter directionWhether a higher or a lower value is better. A green arrow means higher is better, a red arrow means lower is better, and no arrow means neither.More in the glossary →
46 of 51 statesYear Common Core Was Adopted
Darker means higher. Click a place to highlight it.
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All 46 ranked
Highest first.
Distribution Median and middle halfThe median is the middle value: half of places are above it, half below. The middle half is the range holding the central 50% of places.More in the glossary →
Each dot is one state; the lines mark the median and the middle half.
Median
2010
Middle half 2010 – 2010
Average
2010
46 states
Highest
2012
Wyoming
Lowest
2010
Vermont
Data
Click a column to sort, a row to highlight that place on the charts.
50 states · # = rank by Year Common Core Was Adopted
| # | ||||
|---|---|---|---|---|
| 1 |  Wyoming | Adopted | 2012 | — |
| 2 |  Washington | Adopted | 2011 | — |
| 2 |  Louisiana | Adopted with changes | 2011 | Reversed March 2016 |
| 2 |  Idaho | Adopted | 2011 | — |
| 2 |  Maine | Adopted | 2011 | — |
| 2 |  Montana | Adopted | 2011 | — |
| 7 |  California | Adopted | 2010 | — |
| 7 |  Florida | Adopted with changes | 2010 | Reversed January 2020 |
| 7 |  New York | Adopted with changes | 2010 | Rewritten in 2017 |
| 7 |  Pennsylvania | Adopted | 2010 | Hybrid standards released May 2013 |
| 7 |  Illinois | Adopted | 2010 | — |
| 7 |  Ohio | Adopted | 2010 | — |
| 7 |  Georgia | Adopted with changes | 2010 | Reversed 2013, In 2015 the standards were renamed Georgia Standards of Excellence, incorporating some of the Common Core Standards. |
| 7 |  North Carolina | Adopted | 2010 | — |
| 7 |  Michigan | Adopted | 2010 | — |
| 7 |  New Jersey | Adopted | 2010 | In 2016 renamed to New Jersey Student Learning Standards. |
| 7 |  Arizona | Adopted with changes | 2010 | Reversed October 2015 |
| 7 |  Tennessee | Adopted | 2010 | 2017/2018 renamed to Tennessee Academic Standards |
| 7 |  Massachusetts | Adopted with changes | 2010 | Revised 2017 |
| 7 |  Indiana | Adopted with changes | 2010 | Reversed March 2014 |
| 7 |  Missouri | Adopted with changes | 2010 | Replaced 2016 |
| 7 |  Maryland | Adopted | 2010 | — |
| 7 |  Colorado | Adopted | 2010 | — |
| 7 |  Wisconsin | Adopted | 2010 | — |
| 7 |  Minnesota | Partially adopted | 2010 | English Language Arts Only |
| 7 |  South Carolina | Adopted with changes | 2010 | Repealed 2014 |
| 7 |  Alabama | Adopted with changes | 2010 | Reversed May 2017 |
| 7 |  Kentucky | Adopted with changes | 2010 | Reversed February 2017 |
| 7 |  Oregon | Adopted | 2010 | — |
| 7 |  Oklahoma | Adopted with changes | 2010 | Repealed 2014 |
| 7 |  Connecticut | Adopted | 2010 | Renamed - Connecticut Core Standards (CCS) |
| 7 |  Utah | Adopted | 2010 | — |
| 7 |  Nevada | Adopted | 2010 | Renamed to Nevada Academic Content Standards for English Language Arts and Mathematics. |
| 7 |  Iowa | Adopted | 2010 | — |
| 7 |  Arkansas | Adopted with changes | 2010 | Reversed 2016 |
| 7 |  Kansas | Adopted | 2010 | Renamed Kansas Curricular Standards |
| 7 |  Mississippi | Adopted | 2010 | Name changed to Mississippi College- and Career-Ready Standards |
| 7 |  New Mexico | Adopted | 2010 | — |
| 7 |  West Virginia | Adopted with changes | 2010 | Repealed 2015 |
| 7 |  Hawaii | Adopted | 2010 | — |
| 7 |  New Hampshire | Adopted | 2010 | — |
| 7 |  Rhode Island | Adopted | 2010 | — |
| 7 |  Delaware | Adopted | 2010 | — |
| 7 |  South Dakota | Adopted | 2010 | — |
| 7 |  North Dakota | Adopted with changes | 2010 | Revised in 2016 |
| 7 |  Vermont | Adopted | 2010 | — |
| — |  Texas | Never adopted | — | — |
| — |  Virginia | Never adopted | — | — |
| — |  Nebraska | Never adopted | — | — |
| — |  Alaska | Never adopted | — | — |
What correlates with Year Common Core Was Adopted?
Pearson r against 2,102 other state metrics sharing at least 28 states. Correlation is not causation.
Higher together
Places that have a higher Year Common Core Was Adopted tend to score higher on these
Opposite directions
Places that have a higher Year Common Core Was Adopted tend to score lower on these
Quick answers
- Which state has the highest Year Common Core Was Adopted?
- Wyoming has the highest Year Common Core Was Adopted, at 2012, followed by Washington (2011) and Louisiana (2011).
- Which state has the lowest Year Common Core Was Adopted?
- Vermont has the lowest Year Common Core Was Adopted, at 2010.
- What is the median Year Common Core Was Adopted across US states?
- The median is 2010 across the 46 US states with data.
- Where does this common core states data come from?
- Rankodex compiles it from World Population Review and the primary sources it cites: United States Standards - EdGate; Common Core implementation by state - Wiki.