Grange Middle (Data source)
Source data for Grange Middle
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 |
||
6 | 2828271 | 2451 | - | 2552 | = | -101 | * | (307 | / | 1082) | = | -28.65711643 | ||
7 | 2828274 | 2470 | - | 2567 | = | -97 | * | (396 | / | 1082) | = | -35.50092417 | ||
8 | 2828275 | 2497 | - | 2586 | = | -89 | * | (379 | / | 1082) | = | -31.1746765 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Grange Middle | -95 |
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 |
||
6 | 86551 | 2445 | - | 2552 | = | -107 | * | (280 | / | 1086) | = | -27.58747691 | ||
7 | 86552 | 2488 | - | 2567 | = | -79 | * | (434 | / | 1086) | = | -31.57090233 | ||
8 | 86555 | 2495 | - | 2586 | = | -91 | * | (372 | / | 1086) | = | -31.17127068 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Grange Middle | -90 |
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 |
||
6 | 88945 | 2448 | - | 2552 | = | -104 | * | (268 | / | 1015) | = | -27.46009843 | ||
7 | 88947 | 2478 | - | 2567 | = | -89 | * | (339 | / | 1015) | = | -29.72512308 | ||
8 | 88950 | 2501 | - | 2586 | = | -85 | * | (408 | / | 1015) | = | -34.16748766 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Grange Middle | -91 |
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 |
||
6 | 89164 | 2437 | - | 2552 | = | -115 | * | (265 | / | 913) | = | -33.37897034 | ||
7 | 89165 | 2467 | - | 2567 | = | -100 | * | (312 | / | 913) | = | -34.1730558 | ||
8 | 89168 | 2501 | - | 2586 | = | -85 | * | (336 | / | 913) | = | -31.28148954 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Grange Middle | -99 |
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 |
||
6 | 89770 | 2450 | - | 2552 | = | -102 | * | (260 | / | 889) | = | -29.83127108 | ||
7 | 89771 | 2469 | - | 2567 | = | -98 | * | (326 | / | 889) | = | -35.93700778 | ||
8 | 89772 | 2481 | - | 2586 | = | -105 | * | (303 | / | 889) | = | -35.78740148 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Grange Middle | -102 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-95 | -90 | -91 | -99 | -102 | -477.0 | -95.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -80.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -110.4
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 | 79% | 77% | 76% | 83% | 84% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Fairfield-Suisun Unified school district County of Solano
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Grange Middle math proficiency
Zero+ meets standard.
71% less $meal
69% less $meal
70% less $meal
74% less $meal
71% 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 Fairfield-Suisun Unified (3)
Crystal Middle | Grange Middle | Green Valley Middle |