| Stage # | Description | Date |
| One | The number of states participated in the project was (26) and the number of experts was (41). | Summer of 2011 |
| Two | The first draft of the Next Generation Science Standards NGSS was issued by the teamwork. | Fall of 2011 |
| Three | The experts reviewed the first draft. |
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| Four | A panel of jury members reviewed the first draft. |
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| Five | The first formulation of the Next Generation Science Standards NGSS was issued and published to the teachers to make their comments. | June 2012 |
| Six | The second revised formulation of the Next Generation Science Standards NGSS was issued and published to the interested parties to receive their comments. | January 2013 |
| Seven | The final formulation of the Next Generation Science Standards NGSS was issued. | April 2013 |