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  2. Secondary education - Wikipedia

    en.wikipedia.org/wiki/Secondary_education

    Level 2 or lower secondary education (less commonly junior secondary education) is considered the second and final phase of basic education, and level 3 upper secondary education or senior secondary education is the stage before tertiary education. Every country aims to provide basic education, but the systems and terminology remain unique to them.

  3. 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.

  4. Subgrade - Wikipedia

    en.wikipedia.org/wiki/Subgrade

    Subgrade. In transport engineering, subgrade is the native material underneath a constructed road, [1] pavement or railway track (US: railroad track). It is also called formation level . The subgrade provides support to the subbase level and acts as an integral load-bearing layer. Failure of the subgrade can cause depressions and rutting of the ...

  5. GCE Ordinary Level - Wikipedia

    en.wikipedia.org/wiki/GCE_Ordinary_Level

    The Scottish equivalent was the O-grade (replaced by the Standard Grade). The AO-Level (Alternative Ordinary Level) was formerly available in most subject areas. Sometimes incorrectly known as the Advanced Ordinary Level, the AO-Level syllabus and examination both assumed a higher degree of maturity on the part of candidates, and employed ...

  6. Prostate Cancer Stages and Grading Explained - WebMD

    www.webmd.com/prostate-cancer/prostate-cancer-stages

    Grade 1. The cells look very much like normal prostate cells. ... Doctors combine the T, N, and M results with the Gleason score and PSA level in a process called stage grouping. The system uses ...

  7. Membership levels of the Girl Scouts of the USA - Wikipedia

    en.wikipedia.org/wiki/Membership_levels_of_the...

    The Ambassador level is the most recent, having been added in 2011. They are considered in the appropriate level based on their grade on October 1, the start of each new Girl Scout year. There are exceptions for "special needs," but Girl Scouts who are "young in grade" have not been specifically considered.

  8. Twelfth grade - Wikipedia

    en.wikipedia.org/wiki/Twelfth_grade

    Twelfth grade (also known as 12th grade, grade 12, senior year, or class 12) is the twelfth year of formal or compulsory education. It is typically the final year of secondary school and K–12 in most parts of the world. Students in twelfth grade are usually 17–18 years old. Some countries have a thirteenth grade, while other countries do ...

  9. Academic grading in Singapore - Wikipedia

    en.wikipedia.org/wiki/Academic_grading_in_Singapore

    Students are graded via the Overall Grade systems during their first three years in Secondary School, with a fourth year being different across different academic streams. Express or Special students are graded via the results from the O Levels in their fourth and final year, while Normal (Academic) use both the N and O Level results for their ...