• 1887 St. Procopius College Academy (a high school) founded in Chicago— continuing the 1,500 year tradition of Benedictines as educators.
  • Fr. Procopius Neuzil, O.S.B. the first rector and instructor (later the third Abbot of the Monestary), registers the first two students: Charles Novotny and John Lorenz on March 2, 1887.
• 1896 St. Procopius monks purchased 104 acres in Lisle for the future home of the college, seminary, and abbey.
• 1898 First building, a five-room frame house, built for the St. Joseph Bohemian Orphanage erected in Lisle.
• 1899 March 14—Twelve young Bohemians were moved from their Chicago Polish Orphanage to St. Joseph. St. Joseph begins its useful work under the supervision of the Benedictine Sisters.
• 1900 Benedictines purchase property for the College and the Abbey in Lisle. St. Procopius College building cornerstone laid
• 1901 St. Procopius College Academy moves to Lisle, Illinois.  School is located on what is now the Benedictine University campus.
• 1904 High School classes begin. Tuition for five months cost US$80 until 1909, when it was increased to US$100 per semester
• 1910 St. Joseph Hall, the main building of the orphanage and grammar school, is erected. It served then and now as the administration building.
• 1912 Benet Hall built. It served as the dormitory and eventual boarding facility before being converted into classrooms.
• 1921 Power house and built to provide electric light and storage for machinery providing water.
• 1926 Sacred Heart Monastery establishes Sacred Heart Academy young women’s school.
• 1938 Gymnasium built for St. Joseph hall. 
  

• 1954 Madonna Hall and Petru Hall (Fr. Gilbert, chaplain residence) built
• 1956  St. Joseph Bohemian Orphanage closes and is renamed St. Procopius Academy (a high school).
• 1956  St. Procopius College continues operations. Schools move to separate buildings on the corners of Maple and College.
• September, 1956, classes begin at St. Procopius Academy high school on the new 2200 Maple Avenue campus across the street from the college.

• May '57  St. Procopius Academy graduates its first class on the new campus. 
• St. Procopius is an all-boy school with full-time boarders and daily commuters. 
• The boarders affectionately refer to the commuters as "day hops".
• The snack bar "Dintys" was managed by a young priest named Fr. Jude Randall, O.S.B.
• 25 faculty and 360 students enrolled; 150 "freshies"
• Juniors and seniors given responsibility monitor discipline
• Senior class shows unity and support - 50-80% in attendance at any given game.
• Sacred Heart socials 
• Academy Student Government (A.S.G.) continues on the new campus; Robert Sladek, president
• A.S.G. assesses $5 student tax for funding

• St. Martin Hall Built
• St. Martin Hall was named for St. Martin de Porres by then principal, Abbot Thomas Havlik.  Martin de Porres (1579-1639)  was devoted to the service of the poor and he established an orphanage.  Abbot Thomas recognized that the work of St. Martin fit with the financial condition of the school and the history the campus. 

• St. Procopius Academy and Sacred Heart Academy, the all-girls school founded in 1926 by the Sisters of St. Benedict, face dwindling enrollment and financial pressure.
• St. Procopius Abbot Daniel Kucera, O.S.B. casts the tie-breaking vote to keep St. Procopius Academy open.

• May, 1967 St. Procopius graduates its last all-boy class.
• Summer, 1967, St. Procopius Academy boys school becomes co-ed; the Sacred Heart Academy girls school moves to the campus across the street from their SHA location.
• Fall, 1967, classes begin for the newly named, co-educational Benet Academy.

• May, 1968  Benet Academy graduates its first co-educational class.  173 students

• St. Thomas Hall Built. 
• St. Thomas was funded by a private donor, Mr. Frederick Regnery - parent of alumnus Fred Regnery '68, and named in honor of Abbot Thomas Havlik.

• St. Mary's Hall  (unused building on north end of campus) was demolished to make room for parking and fields to accommodate expanded enrollment.
• Ground breaking for new gymnasium.

• May, 1994 new gymnasium opened.  The campaign raised $3 million in private donations to fund the project.

• Benet begins construction of a new 22,000 square-foot performing arts center at the east end of the school and the renovation of the assembly hall on the 3rd floor of St. Joseph Hall to transform it back to a chapel. 
• Capital Campaign 2, Completing the Picture, was so named for visual bookend that the performing arts center provided at the opposite end of the campus from the new gym; and for the crowing of the central wing with the chapel. The campaign raised $6.5 million in private donations to fund the project which also included $.5 million for technology advancements in the classrooms.
• Benetonline.org website is developed and enables online event registrations and online donation and transaction processing.

• April, 2001, St. Daniel Hall performing arts center grand opening
• St. Daniel Hall is named after Abbot Daniel Kucera (brother of Fr. Edward Kucera, O.S.B.) and St. Daniel.  Abbot Daniel was honored for his early-years, tie-breaking vote to keep the then financially struggling St. Procopius Academy open when other apostolates were closed (Národ (The Nation), Chicago, IL daily newspaper and the seminary were closed).
• May, 2001 The 100th Commencement program of St. Procopius.

• February, 2002 The Chapel of Saint Thérèse - The "Little Flower" is named through a naming opportunity. St. Thérèse was selected as it is the donor's favorite saint.

• Capital Campaign 3 - Building Our Benedictine Heritage launches with a keystone new science wing.  Then name of the campaign reflects the focus of future major gift initiatives to preserve the Benedictine Heritage of Benet and St. Procopius Academy. 

• May, 2007 groundbreaking on the new $16 million science wing and student activity center. The 50,000 square-foot building adds extra corridors to ease hall traffic and features a cafeteria larger than the previous one. The basement provides storage space and sometimes serves as a testing area for Advanced Placement exams. The building also houses four combination classrooms and laboratories for biology and earth science classes, three chemistry classrooms, and two chemistry labs.
• Benet Academy celebrates its first 50-year jubilee on the current campus with the Class of 1957.

2008

• Opening and dedication of St. Jude Hall (science wing, cafeteria, and activity center). 
• The building is named for Fr. Jude Randall, O.S.B., President of Benet Academy and 1951 alumnus.  Fr. Jude conducted over a thousand personal visits to raise funds for Benet's three capital campaigns.

• Class of 1961 alumni start a new Faculty Development fund with the goal of naming the fund for the late Fr. Michael Komechak, O.S.B., teacher and mentor from 1957-1967.