<PAGE> PAGE 1
000 A000000 06/30/2000
000 C000000 0000883678
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 STRONG OPPORTUNITY FUND II, INC.
001 B000000 811-6552
001 C000000 4145777366
002 A000000 P.O. BOX 2936
002 B000000 MILWAUKEE
002 C000000 WI
002 D010000 53201
002 D020000 2936
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
007 C011100 11
007 C011200 12
007 C011300 13
007 C011400 14
007 C011500 15
007 C011600 16
007 C011700 17
007 C011800 18
007 C011900 19
007 C012000 20
007 C012100 21
007 C012200 22
007 C012300 23
007 C012400 24
007 C012500 25
007 C012600 26
007 C012700 27
007 C012800 28
<PAGE> PAGE 2
007 C012900 29
007 C013000 30
007 C013100 31
007 C013200 32
007 C013300 33
007 C013400 34
007 C013500 35
007 C013600 36
007 C013700 37
007 C013800 38
007 C013900 39
007 C014000 40
007 C014100 41
007 C014200 42
007 C014300 43
007 C014400 44
007 C014500 45
007 C014600 46
007 C014700 47
007 C014800 48
007 C014900 49
007 C015000 50
007 C015100 51
007 C015200 52
007 C015300 53
007 C015400 54
007 C015500 55
007 C015600 56
007 C015700 57
007 C015800 58
007 C015900 59
007 C016000 60
007 C016100 61
007 C016200 62
007 C016300 63
007 C016400 64
007 C016500 65
007 C016600 66
007 C016700 67
007 C016800 68
007 C016900 69
007 C017000 70
007 C017100 71
007 C017200 72
007 C017300 73
007 C017400 74
007 C017500 75
007 C017600 76
007 C017700 77
007 C017800 78
007 C017900 79
<PAGE> PAGE 3
007 C018000 80
007 C018100 81
007 C018200 82
007 C018300 83
007 C018400 84
007 C018500 85
007 C018600 86
007 C018700 87
007 C018800 88
007 C018900 89
007 C019000 90
008 A000001 STRONG CAPITAL MANAGEMENT, INC.
008 B000001 A
008 C000001 801-10724
008 D010001 MILWAUKEE
008 D020001 WI
008 D030001 53201
008 D040001 2936
011 A000001 STRONG INVESTMENTS, INC.
011 B000001 8-10724
011 C010001 MILWAUKEE
011 C020001 WI
011 C030001 53201
011 C040001 2936
012 A000001 STRONG CAPITAL MANAGEMENT, INC.
012 B000001 84-1599
012 C010001 MILWAUKEE
012 C020001 WI
012 C030001 53201
012 C040001 2936
013 A000001 PRICEWATERHOUSECOOPERS LLP
013 B010001 MILWAUKEE
013 B020001 WI
013 B030001 53202
014 A000001 STRONG INVESTMENTS, INC.
014 B000001 8-32608
014 A000002 W.H. REAVES & COMPANY, INC.
014 B000002 8-22142
015 A000001 FIRSTAR BANK,N.A.
015 B000001 C
015 C010001 MILWAUKEE
015 C020001 WI
015 C030001 53202
015 E010001 X
015 A000002 BROWN BROTHERS HARRIMAN & COMPANY
015 B000002 S
015 C010002 BOSTON
015 C020002 MA
015 C030002 02109
015 E040002 X
018 000000 Y
<PAGE> PAGE 4
019 A000000 Y
019 B000000 56
019 C000000 STRONGFUND
020 A000001 MORGAN STANLEY, DEAN WITTER & CO.
020 C000001 108
020 A000002 SALOMON SMITH BARNEY, INC.
020 C000002 94
020 A000003 GOLDMAN, SACHS & COMPANY
020 C000003 81
020 A000004 WARBURG, DILLON & READ LLC
020 C000004 47
020 A000005 PAINEWEBBER, INC.
020 C000005 44
020 A000006 SOUNDVIEW FINANCIAL GROUP, INC.
020 C000006 41
020 A000007 LEHMAN BROTHERS, INC.
020 C000007 38
020 A000008 DONALDSON, LUFKIN & JENRETTE SECURITIES CORP.
020 C000008 37
020 A000009 GRUNTAL & COMPANY, INC. LLC
020 C000009 37
020 A000010 FRANCIS P. MAGLIO & COMPANY, INC.
020 C000010 34
021 000000 1106
022 A000001 ABN-AMRO, INC.
022 C000001 7186400
022 D000001 670
022 A000002 BARCLAYS DE ZOETE WEDD, INC.
022 C000002 1627800
022 D000002 0
022 A000003 BROWN BROTHERS HARRIMAN & COMPANY
022 C000003 249700
022 D000003 0
022 A000004 ELAN INVESTMENT SERVICES, INC.
022 C000004 34547
022 D000004 37368
022 A000005 DEUTSCHE BANC ALEX. BROWN
022 C000005 21353
022 D000005 13655
022 A000006 GOLDMAN, SACHS & COMPANY
022 C000006 14017
022 D000006 9095
022 A000007 MORGAN STANLEY, DEAN WITTER & COMPANY
022 C000007 19229
022 D000007 3195
022 A000008 SALOMON SMITH BARNEY, INC.
022 C000008 13129
022 D000008 5315
022 A000009 BEAR, STEARNS & COMPANY, INC.
022 C000009 4251
022 D000009 12864
<PAGE> PAGE 5
022 A000010 ROBERTSON, STEPHENS & COMPANY INVESTMENT MGNT
022 C000010 4664
022 D000010 5107
023 C000000 9182570
023 D000000 118372
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 N
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
028 A010000 23128
028 A020000 0
028 A030000 0
028 A040000 20799
028 B010000 12585
028 B020000 0
028 B030000 0
028 B040000 18850
028 C010000 24527
028 C020000 0
028 C030000 0
028 C040000 24365
028 D010000 25560
028 D020000 0
028 D030000 0
028 D040000 22569
028 E010000 25296
028 E020000 0
028 E030000 0
028 E040000 22608
028 F010000 17256
028 F020000 0
028 F030000 0
028 F040000 25122
028 G010000 128352
028 G020000 0
028 G030000 0
<PAGE> PAGE 6
028 G040000 134313
028 H000000 0
029 000000 N
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
033 000000 0
034 000000 N
035 000000 0
036 B000000 0
037 000000 N
038 000000 0
039 000000 Y
040 000000 N
041 000000 N
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 0
044 000000 0
045 000000 Y
046 000000 N
047 000000 Y
048 000000 1.000
048 A010000 0
048 A020000 0.000
048 B010000 0
048 B020000 0.000
048 C010000 0
048 C020000 0.000
048 D010000 0
048 D020000 0.000
048 E010000 0
048 E020000 0.000
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
<PAGE> PAGE 7
048 J020000 0.000
048 K010000 0
048 K020000 0.000
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 Y
053 B000000 Y
053 C000000 N
054 A000000 Y
054 B000000 Y
054 C000000 Y
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 Y
054 M000000 Y
054 N000000 N
054 O000000 N
055 A000000 N
055 B000000 N
056 000000 Y
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 0
062 A000000 N
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
062 P000000 0.0
062 Q000000 0.0
<PAGE> PAGE 8
062 R000000 0.0
063 A000000 0
063 B000000 0.0
066 A000000 Y
066 B000000 N
066 C000000 N
066 D000000 Y
066 E000000 N
066 F000000 N
066 G000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 Y
070 B010000 Y
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N
070 E010000 Y
070 E020000 N
070 F010000 Y
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 N
070 K010000 Y
070 K020000 Y
070 L010000 Y
070 L020000 Y
070 M010000 Y
070 M020000 Y
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000 411236
<PAGE> PAGE 9
071 B000000 428726
071 C000000 1065184
071 D000000 39
072 A000000 6
072 B000000 2340
072 C000000 4822
072 D000000 0
072 E000000 0
072 F000000 5762
072 G000000 0
072 H000000 0
072 I000000 901
072 J000000 41
072 K000000 0
072 L000000 5
072 M000000 18
072 N000000 0
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 9
072 S000000 2
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 4
072 X000000 6742
072 Y000000 231
072 Z000000 651
072AA000000 130501
072BB000000 38420
072CC010000 0
072CC020000 47495
072DD010000 0
072DD020000 0
072EE000000 0
073 A010000 0.0000
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 0
074 B000000 114600
074 C000000 3502
074 D000000 0
074 E000000 0
074 F000000 1040039
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 7967
074 K000000 0
<PAGE> PAGE 10
074 L000000 777
074 M000000 33
074 N000000 1166918
074 O000000 6916
074 P000000 17
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 1475
074 S000000 0
074 T000000 1158510
074 U010000 42824
074 U020000 0
074 V010000 27.05
074 V020000 0.00
074 W000000 0.0000
074 X000000 29
074 Y000000 0
075 A000000 0
075 B000000 1154207
076 000000 0.00
077 A000000 N
078 000000 N
080 C000000 0
081 B000000 0
082 B000000 0
083 B000000 0
084 B000000 0
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
SIGNATURE JOHN WIDMER
TITLE TREASURER
