<PAGE> 1
EXHIBIT 23.1
CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
We consent to the incorporation by reference in the Registration Statement (Form
S-8) pertaining to the 2000 Equity Incentive Plan and the 2000 Employee Stock
Purchase Plan of Lightspan, Inc., and the 1992 Stock Option Plan of Academic
Systems Corporation, of our report dated March 9, 2000, with respect to the
consolidated financial statements of Lightspan, Inc., included in its Annual
Report on Form 10-K for the year ended January 31, 2000, filed with the
Securities and Exchange Commission.
/s/ ERNST & YOUNG LLP
ERNST & YOUNG LLP
San Diego, California
June 5, 2000
