The phrase "achieve at a high level" is not correct in standard written English.
The correct expression would typically be "achieve a high level" without the preposition "at."
Example: "She has consistently managed to achieve a high level of performance in her studies."
Alternatives: "attain a high level" or "reach a high level."
So very few achieve at a high level.
If you achieve at a high level, then it's irrefutable and undeniable.
"If you don't feel good about yourself, how can you achieve at a high level," she said.
If one knows that he or she will achieve at a high level, will anyone bother to really try?
Think about a time when someone expressed a belief in you to achieve at a high level.
She's a jack-of-all trades, and strives to achieve at a high level, even in fields she's inexperienced with.
Students with positive interdependence exert greater effort and engage in higher quality interaction with their groupmates (Johnson & Johnson, 2008; Slavin, 1980) and achieve at a higher level (Johnson & Johnson, 2008; Kagan & Kagan, 1994; Slavin, 1980) than students without positive interdependence.
At the nonprofit organization I work for, the Good Athlete Project, we refer to the phenomenon of successfully navigating the world while regularly ignoring one's degraded state as the "Talent Delusion". High-achievers find themselves achieving at a high level, obviously enough; that said, they might never reach their full potential, since they exist regularly in a degraded state.
One place that has done achieved at a high level on and off the field for a long time is the University of Mount Union in Alliance, Ohio.
Surveying 10,000 middle and high school students about what was more important to them, "achieving at a high level, happiness, or caring for others," almost 80percentt of the students ranked achievement or happiness over caring for others -- leaving only 20percentt of students who identified with caring for others as their top priority.
