PITTSBURGH — Students from Knoch, Freeport and St. Joseph’s high schools came away with medals and scholarships from competition this month in the Pittsburgh Regional Science & Engineering Fair.

Freeport High School students won the greatest number of categories among all competitors, seven, for grades nine through 12.

The science fair is in its 74th year of competition for research projects in science, mathematics and engineering.

The competition is open to students in grades six through 12 from 23 Western Pennsylvania counties, three West Virginia counties, and Garrett County, Md., high school.

Here are the winners from Butler County.

FreeportHayden Bergad, Junior Scientist Perseverance AwardCory Bird, Allegheny College, $12,500 per year scholarship for four years; third place winner in physics, $75.Taylor Borrelli, Mount Aloysius College, $2,500 per year scholarship for four years; Point Park University, $5,000 per year scholarship for four years; Duquesne University, College Credit in High School scholarship; Honorary Scientist Perseverance Award WinnerNathan Disantis, Clarion University, $6,600 per year scholarship for four years; Saint Francis University, $1,000 per year scholarship for four years; third place winner in Engineering/Robotics (Senior Division), $75; $50 Sponsor Award from Consol Energy, Research and Development; $50 Sponsor Award from ThermoFisher Scientific; $50 Affiliate Sponsor Award American Society of Civil Engineers, Pittsburgh Section, HDR Engineering; $25 Honorable Mention from Pittsburgh Geological SocietyUriah Lindsay, Mount Aloysius College, $2,500 per year scholarship for four years; Seton Hill University, $2,000 per year scholarship for four years; Waynesburg University, $2,000 per year scholarship for four years; Honorable Mention in Physics (Senior Division), $25.Denny Loevlie, Duquesne University, $10,000 per year scholarship for four years; Clarion University, $6,600 per year scholarship for four years; Mount Aloysius College, $2,500 per year scholarship for four years; Saint Francis University, $1,000 per year scholarship for four years; second place award winner in Earth/Space/Environment (Senior Division), $150; Junior Scientist Perseverance AwardDavid Shipe, Mount Aloysius College, $2,500 per year scholarship for four years; Harrisburg University of Science & Technology, full tuition scholarship for one year; Saint Vincent College, $2,000 per year scholarship for four years; first place in Earth/Space/Environment (Senior Division) $300; Associate Scientist Perseverance Award

KnochKara Fitzpatrick, Air Force Science Fair AwardKristal Sotomayor, Penn State Greater Allegheny Scholarship, $10,000Jordan Elmer, Dominion Foundation Excellence in Science Award; Seton Hill University Scholarship, $8,000Maddilyn Thoma, Duquesne Department of Biological Sciences Award; Duquesne University Bayer School of Natural and Environmental Science Award; St. Francis University, $4,000 scholarship

St. Joseph’sDavid Schnur, of Butler, Edinboro University, $2,000 scholarship over four years; Gannon University, $8,000 scholarship over four years