"high profile activity" is correct and usable in written English.
You can use it to refer to activities that are well-known or widely-discussed, usually by the public or media. For example: "The politician's sudden absence at their high profile activity raised many questions."
Through high profile activities around cricket's biggest event, the ICC will support the Unite for Children, Unite against AIDS campaign launched in 2005 by UNICEF, UNAIDS and other partners.
However, stealing records has always only been part of hactivists' tactics: some of their most-high profile activity, such as the series of moves that Anonymous made around their double campaign against SOPA and the closure of Megaupload, involved distributed denial of service attacks, which comprehensively shut down web sites and caused another kinds of financial havoc for their targets.
Such high-profile activity is bound to draw attention to the university's economics team.
Most are attached to much more high-profile activity and exhibitions.
The project's high-profile activity is a series of festivals in "partner cities" around the world, scheduled to begin next August at the Salzburg Festival in Austria.
"In terms of cooking as a high-profile activity, there's a growing interest in popular culture, and that includes children," said Kate Jackson, editor in chief of children's books at HarperCollins, Mr. Lagasse's publisher.
This is the quandary Valentine's supporters and critics face this season: If the Mets are as good as they think they are, after a winter of frantic and high-profile activity, and they make the playoffs, the manager would rate little extra credit for taking them there.
High-profile activity by animal rights activists, particularly against beleaguered contract research organisation Huntingdon Life Sciences, has forced Government action.
