"high level of impact" is a correct and usable phrase in written English.
It is typically used to describe the degree to which an action or event affects something or someone. Example: The new immigration policies had a high level of impact on the local economy, causing many small businesses to close down due to a shortage of employees.
Residues of fipronil in soil, which are more persistent than those of imidacloprid, had a high level of impact on aquatic communities over time.
The goal is to move into a scaling mode with a clear goal in mind (i.e., IPO, acquisition, high level of impact for customers/society, etc.).
This means that tactics and strategies that have been used elsewhere to predict and prevent domestic burglary by countering patterns of repeats and near repeats will only have a high level of impact if the extent of repeats and near repeats account for a large proportion of all domestic burglaries.
Read The fulargetichurch Robert Crosby at Outreach movement - "MegaChange: 10 Church thatds".
The current high level of impact may limit capture fishing in future, unless the governance and management of ocean and freshwater resources are greatly improved.
Beneficiaries and stakeholders consulted during the evaluation process generally agreed that the programme has achieved a high level of impact on the targeted communities up until this point.
The underlying hypothesis was that parents who report high level of impacts in the scale should report poorer overall oral health than parents reporting low levels of impacts.
The underlying hypothesis was that a parent who reported high level of impacts in the scale would be more likely to rate the oral health of his or her child fair or poor.
UK Athletics said the 27-year-old would continue to train and receive treatment rather than put her ankle through unnecessary high levels of impact.
One reason why findings from users' design feedback were found to have relatively high levels of impact may be that such findings, as opposed to, for example, the findings of usability experts in usability inspections, allow the development team to access the scarce resource of users' domain knowledge.
