<PAGE> 1
Exhibit 23.1
CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
We consent to the reference to our firm under the caption "Experts" and to the
use of our report dated March 9, 2000, with respect to the consolidated
financial statements of Lightspan, Inc., included in Amendment No. 1 to the
Registration Statement (Form S-1) and related Prospectus of Lightspan, Inc. for
the registration of shares of its common stock.
/s/ ERNST & YOUNG LLP
---------------------
ERNST & YOUNG LLP
San Diego, California
August 8, 2000
