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Region guide

Essex (CSSE & Southend) 11 Plus Guide

Essex has two separate 11+ systems: the Consortium of Selective Schools in Essex (CSSE) runs the joint test for Essex grammars, while Southend‑on‑Sea grammar schools use a separate Southend test administered by GL Assessment.

The Essex (CSSE & Southend) 11 Plus at a glance

The Essex (CSSE & Southend) test is set by CSSE. Two papers (English including comprehension and creative writing; Maths). Mix of multiple-choice and short-answer.

Children are assessed in English, Mathematics. Knowing the exact format matters, because preparing in the wrong style wastes valuable practice time.

  • Exam provider: CSSE
  • Subjects tested: English, Mathematics
  • Format: Two papers (English including comprehension and creative writing; Maths). Mix of multiple-choice and short-answer.

Local arrangements to watch

CSSE test is taken in early autumn of Year 6. Southend grammars test separately on the same model.

Dates, qualifying scores and registration deadlines vary by school and change each year, so always confirm the current details with your target schools or local consortium.

Grammar schools in Essex (CSSE & Southend)

We list 12 schools for Essex (CSSE & Southend). They include Chelmsford County High School for Girls, King Edward VI Grammar School (Chelmsford), Colchester Royal Grammar School, Colchester County High School for Girls, Southend High School for Boys. Entry requirements and catchment rules differ between schools, so check each school admissions policy before you apply.

How to prepare for the Essex (CSSE & Southend) 11 Plus

Strong preparation is steady rather than last minute. Build secure foundations first, then practise in the exact CSSE style this region uses so the question types feel familiar on the day.

  • Confirm the format and subjects above, then practise only in that style
  • Read widely every day and grow vocabulary across the whole year
  • Secure arithmetic and times tables so number work is fast and accurate
  • Move from untimed practice to full timed papers in the final months
  • Sit regular mock exams to build pace and reduce exam day nerves

Practise in the Essex (CSSE & Southend) format

Book a live, invigilated mock exam in the right style and get a standardised score, section breakdown and UK-wide ranking. Your first mock is free.