The phrase "a rather high level of" is correct and usable in written English.
It can be used to describe a significant or elevated degree of something, often in formal or academic contexts.
Example: "The study revealed a rather high level of satisfaction among participants regarding the new policy."
Alternatives: "a fairly elevated degree of" or "a considerable amount of".
In some ancient civilizations surgery reached a rather high level of development, as in India, China, Egypt, and Hellenistic Greece.
Unsurprisingly, protein samples of C169DHydA1 and C299DCpI both retain a rather high level of H2 release activity (30 80%, Fig. 1).
The judge, Curtis L. Wagner Jr., who is expected to hear testimony in the case all week at the Federal Energy Regulatory Commission here, said that if the market consisted only of Southern California, then El Paso had a "rather high level" of concentration in that market.
My only regret was not bringing a real bicycle (they don't have calorie counters, and nature has already set a rather high level of difficulty for the area, but the scenery is better than a stepping machine) to explore the countryside around Three Choirs.
The discussion so far has been at a rather high level of abstraction.
Its starting point is the decade of 1930, when the country displayed a rather high level of inequality above other advanced economies.
The sample is biased with regard to rather young inhabitants with a rather higher level of education and rather higher incomes.
In Assyria the observation of the Sun, Moon, and stars had already reached a rather high level; the periodic recurrence of eclipses was established.
What seems noteworthy is the rather high level of indirect guidance described in the literature (see Tables 4, 5).
The rather high level of pollinator activity is counteracted by bud self-fertilization (up to 97%).
This rather high level of sequence conservation is reflected in the conservation of so many virulence-related proteins from V. cholerae across the Vibrionaceae.
