In 1989, Allen donated $2 million to the University of Washington to construct the Allen Library, which was named after his father Kenneth S. Allen, a former associate director of the University of Washington library system.
In the same year, Allen donated an additional $8 million to establish the Kenneth S. Allen Library Endowment.
In 2012, the endowment was renamed the Kenneth S. and Faye G. Allen Library Endowment after Allen's mother (a noted bibliophile) died.

In 2002, Allen donated $14 million to the University of Washington to construct the Paul G. Allen Center for Computer Science and Engineering.
The building was dedicated in October 2003.

In 2010, Allen announced a gift of $26 million to build the Paul G. Allen School of Global Animal Health at Washington State University, his alma mater.
The gift was the largest private donation in the university's history.

In 2016, Allen pledged a $10 million donation over four years for the creation of the Allen Discovery Centers at Tufts University and Stanford University.
The centers would fund research that would read and write the morphogenetic code.
Over eight years the donation could be as much as $20 million.

In 2017, Allen donated $40 million (with an additional $10 million added by Microsoft) to reorganize the University of Washington's Computer Science and Engineering department into the Paul G. Allen School of Computer Science and Engineering.
In 1989, Allen donated $2 million to the University of Washington to construct the Allen Library, which was named after his father Kenneth S. Allen, a former associate director of the University of Washington library system. In the same year, Allen donated an additional $8 million to establish the Kenneth S. Allen Library Endowment. In 2012, the endowment was renamed the Kenneth S. and Faye G. Allen Library Endowment after Allen's mother (a noted bibliophile) died.
In 2002, Allen donated $14 million to the University of Washington to construct the Paul G. Allen Center for Computer Science and Engineering. The building was dedicated in October 2003.
In 2010, Allen announced a gift of $26 million to build the Paul G. Allen School of Global Animal Health at Washington State University, his alma mater. The gift was the largest private donation in the university's history.
In 2016, Allen pledged a $10 million donation over four years for the creation of the Allen Discovery Centers at Tufts University and Stanford University. The centers would fund research that would read and write the morphogenetic code. Over eight years the donation could be as much as $20 million.
In 2017, Allen donated $40 million (with an additional $10 million added by Microsoft) to reorganize the University of Washington's Computer Science and Engineering department into the Paul G. Allen School of Computer Science and Engineering.
Paul Allen