Lexington Junior High (Data source)
Source data for Lexington Junior High
2015
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
7 | 1421672 | 2558 | - | 2567 | = | -9 | * | (633 | / | 1268) | = | -4.4929022 | ||
8 | 1421675 | 2586 | - | 2586 | = | 0 | * | (635 | / | 1268) | = | 0.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lexington Junior High | -4 |
2016
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
7 | 44822 | 2571 | - | 2567 | = | 4 | * | (708 | / | 1350) | = | 2.09777778 | ||
8 | 44824 | 2595 | - | 2586 | = | 9 | * | (642 | / | 1350) | = | 4.28 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lexington Junior High | 6 |
2017
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
7 | 46001 | 2564 | - | 2567 | = | -3 | * | (657 | / | 1365) | = | -1.44395604 | ||
8 | 46003 | 2601 | - | 2586 | = | 15 | * | (708 | / | 1365) | = | 7.78021977 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lexington Junior High | 6 |
2018
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
7 | 46013 | 2578 | - | 2567 | = | 11 | * | (777 | / | 1448) | = | 5.9026243 | ||
8 | 46015 | 2595 | - | 2586 | = | 9 | * | (671 | / | 1448) | = | 4.17058011 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lexington Junior High | 10 |
2019
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
7 | 46196 | 2580 | - | 2567 | = | 13 | * | (681 | / | 1462) | = | 6.05540355 | ||
8 | 46197 | 2600 | - | 2586 | = | 14 | * | (781 | / | 1462) | = | 7.47879616 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lexington Junior High | 14 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-4 | 6 | 6 | 10 | 14 | 32.0 | 6.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 24.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -11.6
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
2015 | 2016 | 2017 | 2018 | 2019 | |
---|---|---|---|---|---|
Percent | 37% | 37% | 32% | 39% | 38% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Anaheim Union High school district | County of Orange
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Lexington Junior High math proficiency
Zero+ meets standard.
28% less $meal
28% less $meal
23% less $meal
32% less $meal
32% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Intermediate/Middle Schools (Public) schools in Anaheim Union High (8)
Ball Junior High | Brookhurst Junior High | Dale Junior High |
Lexington Junior High | Orangeview Junior High | South Junior High |
Sycamore Junior High | Walker Junior High |