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  2. Breast cancer classification - Wikipedia

    en.wikipedia.org/wiki/Breast_cancer_classification

    Breast cancer classification divides breast cancer into categories according to different schemes criteria and serving a different purpose. The major categories are the histopathological type, the grade of the tumor, the stage of the tumor, and the expression of proteins and genes. As knowledge of cancer cell biology develops these ...

  3. Educational stage - Wikipedia

    en.wikipedia.org/wiki/Educational_stage

    Grade Two 6–7 Grade Three 7–8 Grade Four 8–9 Grade Five – Optional Scholarship Examination: 9–10 Grade Six 10–11 Secondary: Grade Seven 11–12 Grade Eight 12–13 Grade Nine 13–14 Grade Ten 14–15 Grade Eleven – G.C.E Ordinary Level Examination: 15–16 Grade Twelve 16–17 Collegiate: Grade Thirteen – G.C.E Advance Level ...

  4. Ninth grade - Wikipedia

    en.wikipedia.org/wiki/Ninth_grade

    Ninth grade. Ninth grade (also 9th grade or grade 9) is the ninth or tenth year of formal or compulsory education in some countries. It is generally part of middle school or secondary school depending on country. Students in ninth grade are usually 14–15 years old, but in some countries are 15–16.

  5. List of primary education systems by country - Wikipedia

    en.wikipedia.org/wiki/List_of_primary_education...

    Primary education in Costa Rica is required by law for most children in the country between the ages of 6 and 13. Because of this, their literacy is 98% which is one of the highest in Latin America. Primary education starts in first grade and goes through sixth grade. Education is generally free to students.

  6. Education in the United States - Wikipedia

    en.wikipedia.org/wiki/Education_in_the_United_States

    5–6 1st grade: 6–7 2nd grade: 7–8 3rd grade: 8–9 4th grade: 9–10 5th grade: 10–11 Middle school: 6th grade: 11–12 7th grade: 12–13 8th grade: 13–14 High school: 9th grade / Freshman: 14–15 10th grade / Sophomore: 15–16 11th grade / Junior: 16–17 12th grade / Senior: 17–18 Continuing education; Vocational education: 16 ...

  7. Secondary education in the United States - Wikipedia

    en.wikipedia.org/wiki/Secondary_education_in_the...

    Secondary education is the last six or seven years of statutory formal education in the United States. It culminates with twelfth grade (age 17–18). Whether it begins with sixth grade (age 11–12) or seventh grade (age 12–13) varies by state and sometimes by school district. [ 1]

  8. Gleason grading system - Wikipedia

    en.wikipedia.org/wiki/Gleason_grading_system

    For example, if the primary tumor grade was 2 and the secondary tumor grade was 3 but some cells were found to be grade 4, the Gleason score would be 2+4=6. This is a slight change from the pre-2005 Gleason system where the second number was the secondary grade (i.e., the grade of the second-most common cell line pattern). [4]

  9. Flesch–Kincaid readability tests - Wikipedia

    en.wikipedia.org/wiki/Flesch–Kincaid...

    "The Flesch–Kincaid" (F–K) reading grade level was developed under contract to the U.S. Navy in 1975 by J. Peter Kincaid and his team. [1] Related U.S. Navy research directed by Kincaid delved into high-tech education (for example, the electronic authoring and delivery of technical information), [2] usefulness of the Flesch–Kincaid readability formula, [3] computer aids for editing tests ...