# Math stagnations of the USA

For more than 15 years, according to the biannual NAEP tests, the vast majority of the USA states have been stuck in the math stagnations.

**Math stagnations for 15-20 years in the USA (till 2015)**

**Math stagnations for 15-20 years in the USA (till 2019) based on the NAEP tests: all the USA states vs. Puerto Rico math average**

Note that the NAEP math of Puerto Rico is roughly 1.5-2 Standard Deviations below the USA continental average.

**More detailed percetile distributions of the NAEP math between the USA national public average vs. that of Puerto Rico**

**The original MMU1 operations (2017) to boost the math worst half to the math best half average quickly with its massive positive economic impacts.**

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