U+6821 was added to Unicode in version 1.1 (1993). It belongs to the block CJK Unified Ideographs in the Basic Multilingual Plane.

This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as school; military field officer. Its Pīnyīn pronunciation is xi.

The glyph is not a composition. It has a Wide East Asian Width. In bidirectional context it acts as Left To Right and is not mirrored. In text U+6821 behaves as Ideographic regarding line breaks. It has type OLetter for sentence and Other for word breaks. The Grapheme Cluster Break is Any.


System Representation
UTF-8 E6 A0 A1
UTF-16 68 21
UTF-32 00 00 68 21
URL-Quoted %E6%A0%A1
HTML-Escape 校
Wrong windows-1252 Mojibake æ ¡
Encoding: EUC-KR (hex bytes) CE E8
Encoding: JIS0208 (hex bytes) B9 BB
Pīnyīn xi
IRG_GSource G0-5023
IRG_HSource HB1-
IRG_JSource J0-393B
IRG_KPSource KP0-D0C
IRG_KSource K0-4E68
IRG_TSource T1-5577
IRG_VSource V1-596
BigFive AED5
CCCII 214443
CNS1986 1-5577
CNS1992 1-5577
EACC 214443
GB0 4803
GB1 4803
Jis0 2527
KSC0 4672
MainlandTelegraph 2699
TaiwanTelegraph 2699
Xerox 241:272


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-6821
Unicode 1 Name (na1)
Block (blk) CJK
General Category (gc) Other Letter
Script (sc) Han
Bidirectional Category (bc) Left To Right
Combining Class (ccc) Not Reordered
Decomposition Type (dt) None
Decomposition Mapping (dm) 校
Lowercase (Lower)
Simple Lowercase Mapping (slc) 校
Lowercase Mapping (lc) 校
Uppercase (Upper)
Simple Uppercase Mapping (suc) 校
Uppercase Mapping (uc) 校
Simple Titlecase Mapping (stc) 校
Titlecase Mapping (tc) 校
Case Folding (cf) 校
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 校
Bidi Paired Bracket Type (bpt) None
Cased (Cased)
Composition Exclusion (CE)
Case Ignorable (CI)
Full Composition Exclusion (Comp_Ex)
Changes When Casefolded (CWCF)
Changes When Casemapped (CWCM)
Changes When NFKC Casefolded (CWKCF)
Changes When Lowercased (CWL)
Changes When Titlecased (CWT)
Changes When Uppercased (CWU)
Dash (Dash)
Deprecated (Dep)
Default Ignorable Code Point (DI)
Diacritic (Dia)
East Asian Width (ea) Wide
Extender (Ext)
FC NFKC Closure (FC_NFKC) 校
Grapheme Cluster Break (GCB) Any
Grapheme Base (Gr_Base)
Grapheme Extend (Gr_Ext)
Hex Digit (Hex)
Hangul Syllable Type (hst) Not Applicable
Hyphen (Hyphen)
ID Continue (IDC)
Ideographic (Ideo)
ID Start (IDS)
IDS Binary Operator (IDSB)
IDS Trinary Operator and (IDST)
Indic Positional Category (InPC) NA
Indic Syllabic Category (InSC) Other
ISO 10646 Comment (isc)
Joining Group (jg) No_Joining_Group
Join Control (Join_C)
Jamo Short Name (JSN)
Joining Type (jt) Non Joining
kIICore (kIICore) AGT
kIRG_GSource (kIRG_GSource) G0-5023
kIRG_HSource (kIRG_HSource) HB1-
kIRG_JSource (kIRG_JSource) J0-393B
kIRG_KPSource (kIRG_KPSource) KP0-D0C
kIRG_KSource (kIRG_KSource) K0-4E68
kIRG_TSource (kIRG_TSource) T1-5577
kIRG_VSource (kIRG_VSource) V1-596
kIRGDaeJaweon (kIRGDaeJaweon) 0910.270
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 14713
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 21205.080
kIRGKangXi (kIRGKangXi) 0522.250
kBigFive (kBigFive) AED5
kCangjie (kCangjie) DYCK
kCantonese (kCantonese) gaau3 haau6
kCCCII (kCCCII) 214443
kCihaiT (kCihaiT) 690.403
kCNS1986 (kCNS1986) 1-5577
kCNS1992 (kCNS1992) 1-5577
kCowles (kCowles) 964 1514
kDaeJaweon (kDaeJaweon) 0910.270
Unihan Definition (kDefinition) school; military field officer
kEACC (kEACC) 214443
kFenn (kFenn) 531A
kFennIndex (kFennIndex) 50.11 172.07
kFourCornerCode (kFourCornerCode) 4094.8
kFrequency (kFrequency) 2
kGB0 (kGB0) 4803
kGB1 (kGB1) 4803
kGradeLevel (kGradeLevel) 1
kGSR (kGSR) 1166i
kHangul (kHangul)
kHanYu (kHanYu) 21205.080
kHanyuPinlu (kHanyuPinlu) xiào(428)
kHanyuPinyin (kHanyuPinyin) 21205.080:jiào,xiào,jiǎo,qiāo
kHKGlyph (kHKGlyph) 1895
kJapaneseKun (kJapaneseKun) KASE KURABERU KANGAERU
kJapaneseOn (kJapaneseOn) KOU KYOU
kJis0 (kJis0) 2527
kKangXi (kKangXi) 0522.250
kKarlgren (kKarlgren) 357
kKorean (kKorean) KYO HYO
kKPS0 (kKPS0) D0CF
kKSC0 (kKSC0) 4672
kLau (kLau) 825 1113
kMainlandTelegraph (kMainlandTelegraph) 2699
kMandarin (kMandarin) xiào
kMatthews (kMatthews) 706
kMeyerWempe (kMeyerWempe) 653 1002
kMorohashi (kMorohashi) 14713
kNelson (kNelson) 2260
kPhonetic (kPhonetic) 553
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+1997+75.4.6 V+13442+75.4.6
Radical Stroke Count (KangXi) (kRSKangXi) 75.6
Radical Stroke Count (Unicode) (kRSUnicode) 75.6
kSBGY (kSBGY) 415.11 415.20
kTaiwanTelegraph (kTaiwanTelegraph) 2699
kTang (kTang) gàu hàu
Stroke Number (kTotalStrokes) 10
kVietnamese (kVietnamese) đắng hiệu
kXerox (kXerox) 241:272
kXHC1983 (kXHC1983) 0571.040:jiào 1271.050:xiào
Line Break (lb) Ideographic
Logical Order Exception (LOE)
Math (Math)
Noncharacter Code Point (NChar)
NFC Quick Check (NFC_QC) Yes
NFD Quick Check (NFD_QC) Yes
NFKC Casefold (NFKC_CF) 校
NFKC Quick Check (NFKC_QC) Yes
NFKD Quick Check (NFKD_QC) Yes
Numeric Type (nt) None
Numeric Value (nv) NaN
Other Alphabetic (OAlpha)
Other Default Ignorable Code Point (ODI)
Other Grapheme Extend (OGr_Ext)
Other ID Continue (OIDC)
Other ID Start (OIDS)
Other Lowercase (OLower)
Other Math (OMath)
Other Uppercase (OUpper)
Pattern Syntax (Pat_Syn)
Pattern White Space (Pat_WS)
Quotation Mark (QMark)
Radical (Radical)
Sentence Break (SB) OLetter
Simple Case Folding (scf) 校
Script Extension (scx) Han
Soft Dotted (SD)
STerm (STerm)
Terminal Punctuation (Term)
Unified Ideograph (UIdeo)
Variation Selector (VS)
Word Break (WB) Other
White Space (WSpace)
XID Continue (XIDC)
XID Start (XIDS)
Expands On NFC (XO_NFC)
Expands On NFD (XO_NFD)
Expands On NFKC (XO_NFKC)
Expands On NFKD (XO_NFKD)