UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Under the Securities Exchange Act of 1934 (Amendment No. 1) Lightspan, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 53226T 10 3 (CUSIP Number) December 31, 2001 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] Rule 13d-1(b) [ ] Rule 13d-1(c) [X] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP NO. 53226T 10 3 Page 2 of 7 Pages -------------------------------------------------------------------------------- 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Liberty Media Corporation -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ] -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 4,071,075 (1) SHARES BENEFICIALLY -------------------------------------------------- OWNED BY 6 SHARED VOTING POWER EACH REPORTING 0 PERSON -------------------------------------------------- WITH 7 SOLE DISPOSITIVE POWER 4,071,075 (1) -------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,071,075 (1) -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 8.75% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* CO -------------------------------------------------------------------------------- ----------------- (1) Includes 11,773 shares which the reporting person has the right to acquire, as described in Item 4. CUSIP NO. 53226T 10 3 Page 3 of 7 Pages -------------------------------------------------------------------------------- 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Liberty Digital, Inc. -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ] -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 4,071,075 (1) SHARES BENEFICIALLY -------------------------------------------------- OWNED BY 6 SHARED VOTING POWER EACH REPORTING 0 PERSON -------------------------------------------------- WITH 7 SOLE DISPOSITIVE POWER 4,071,075 (1) -------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,071,075 (1) -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 8.75% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* CO -------------------------------------------------------------------------------- ----------------- (1) Includes 11,773 shares which the reporting person has the right to acquire, as described in Item 4. CUSIP NO. 53226T 10 3 Page 4 of 7 Pages ITEM 1. Item 1(a)(1) NAME OF ISSUER: Lightspan, Inc. Item 1(b)(1) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE 10140 Campus Point Drive OFFICES San Diego, California 92121-1520 ITEM 2. Item 2(a)(1) NAME OF PERSON FILING: Liberty Media Corporation Item 2(b)(1) ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE RESIDENCE: 12300 Liberty Boulevard Englewood, Colorado 80112 Item 2(c)(1) CITIZENSHIP: Delaware Item 2(a)(2) NAME OF PERSON FILING: Liberty Digital, Inc. Item 2(b)(2) ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE RESIDENCE: 1100 Glendon Avenue Los Angeles, California 90024 Item 2(c)(2) CITIZENSHIP: Delaware Item 2(d) TITLE OF CLASS OF SECURITIES: Common Stock Item 2(e) CUSIP NUMBER: 53226T 10 3 ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO Rule 13d-1(b) OR Rule 13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A: (a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). (b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [ ] Insurance Company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c). CUSIP NO. 53226T 10 3 Page 5 of 7 Pages (d) [ ] Investment Company registered under section 8 of the Investment Company Act of 1940 (15 (U.S.C. 80a-8). (e) [ ] An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E); (f) [ ] An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); (h) [ ] A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [ ] A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [ ] Group, in accordance with Rule 13d-1(b) (1)(ii)(J); ITEM 4. OWNERSHIP Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. (a) Amount Beneficially Owned: 4,071,075 shares. The shares reported include 11,773 shares issuable upon the exercise of warrants. 3,538,896 shares, including 10,239 shares issuable upon exercise of warrants, are held of record by Liberty Lightspan Holdings, Inc. and 532,179 shares, including 1,534 shares issuable upon exercise of warrants, are held of record by Liberty Academic Systems Holdings, Inc. Liberty Lightspan Holdings, Inc. and Liberty Academic CUSIP NO. 53226T 10 3 Page 6 of 7 Pages Systems Holdings, Inc. are wholly owned subsidiaries of Liberty Digital, Inc. As of December 31, 2001 Liberty Media Corporation and its affiliates beneficially owned capital stock of Liberty Digital Inc. representing approximately 98.8% of the outstanding voting power of all the capital stock of Liberty Digital, Inc. outstanding on that date. Upon conversion of outstanding preferred stock of Liberty Digital, Inc. held by Liberty Media Corporation such percentage would increase to 99.0% as of that date. (b) Percent of Class: 8.75% (Based on 46,533,844 shares outstanding as reported on the Issuer's Quarterly Report on Form 10-Q for the period ended October 31, 2001.) INSTRUCTION. For computations regarding securities which represent a right to acquire an underlying security SEE Rule 13d-3(d)(1). ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following. [ ] ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON Not applicable. ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY. Not Applicable. ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP. Not Applicable. CUSIP NO. 53226T 10 3 Page 7 of 7 Pages ITEM 9. NOTICE OF DISSOLUTION OF GROUP Not Applicable. ITEM 10. CERTIFICATION Not Applicable. SIGNATURE After reasonable inquiry and to the best of the undersigned's knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete and correct. Dated: February 14, 2002 LIBERTY MEDIA CORPORATION By /s/ Elizabeth M. Markowski ----------------------------------- Name: Elizabeth M. Markowski Title: Senior Vice President LIBERTY DIGITAL, INC. By /s/ Elizabeth M. Markowski ----------------------------------- Name: Elizabeth M. Markowski Title: Senior Vice President ATTENTION: INTENTIONAL MISSTATEMENTS OR OMISSIONS OF FACT CONSTITUTE FEDERAL CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001).