The phrase "achieved a good level" is correct and usable in written English.
You can use it to describe reaching a satisfactory or acceptable standard in a particular area or skill.
Example: "After months of practice, she achieved a good level of proficiency in playing the piano."
Alternatives: "reached a satisfactory level" or "attained a decent level".
This means that the code achieved a good level of optimization.
Ofsted's report noted that 72% of pupils achieved a good level of development in reception class in 2016, although only 54% of disadvantaged pupils did so.
The occupancy of the three kernels achieved a good level as Compute Unified Device Architecture (CUDA) Visual Profile shows and the bandwidth usage has been much improved by introducing the tiling method for 3D finite difference problem.
The group of six experts who evaluated the studies received a minimal amount of training, yet still achieved a good level of inter-rater reliability, suggesting that the tool can be used in a wide variety of clinical settings.
In the remaining statements, full consensus was not reached but all panellists achieved a "good" level of agreement.
Findings and Conclusions: This project has achieved a good level of insertion into the indigenous communities of the River Santiago in both Peru and Ecuador.
From December, the government will publish the proportion of primary pupils who achieve a "good" level four.
It will show whether pupils achieve a good level in what the government calls "the most important subjects".
The model achieves a good level of accuracy by carefully modeling calcine production, crane dispatching, and equipment delays.
In fact, the possibility of achieving a good "Level of Knowledge" is strictly related to the availability of comprehensive experimental tests on the structures, including destructive testing.
We also present Persi Diaconis and Dave Bayer's famous result on the number of riffle shuffles needed to achieve a good level of randomness in a deck of cards.
