Helen Stacey Middle (Data source)
Source data for Helen Stacey 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 | 1549259 | 2518 | - | 2552 | = | -34 | * | (163 | / | 892) | = | -6.21300448 | ||
| 7 | 1549260 | 2566 | - | 2567 | = | -1 | * | (354 | / | 892) | = | -0.39686099 | ||
| 8 | 1549263 | 2598 | - | 2586 | = | 12 | * | (375 | / | 892) | = | 5.04484304 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Helen Stacey Middle | -2 | ||||||||||||
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 | 48550 | 2535 | - | 2552 | = | -17 | * | (120 | / | 801) | = | -2.54681648 | ||
| 7 | 48552 | 2577 | - | 2567 | = | 10 | * | (326 | / | 801) | = | 4.0699126 | ||
| 8 | 48555 | 2605 | - | 2586 | = | 19 | * | (355 | / | 801) | = | 8.42072408 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Helen Stacey Middle | 10 | ||||||||||||
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 | 49870 | 2559 | - | 2552 | = | 7 | * | (175 | / | 824) | = | 1.48665048 | ||
| 7 | 49873 | 2591 | - | 2567 | = | 24 | * | (318 | / | 824) | = | 9.26213592 | ||
| 8 | 49875 | 2609 | - | 2586 | = | 23 | * | (331 | / | 824) | = | 9.23907767 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Helen Stacey Middle | 20 | ||||||||||||
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 | 49887 | 2568 | - | 2552 | = | 16 | * | (211 | / | 922) | = | 3.6616052 | ||
| 7 | 49889 | 2584 | - | 2567 | = | 17 | * | (386 | / | 922) | = | 7.11713665 | ||
| 8 | 49891 | 2608 | - | 2586 | = | 22 | * | (325 | / | 922) | = | 7.75488069 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Helen Stacey Middle | 19 | ||||||||||||
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 | 50081 | 2533 | - | 2552 | = | -19 | * | (173 | / | 933) | = | -3.52304394 | ||
| 7 | 50082 | 2584 | - | 2567 | = | 17 | * | (366 | / | 933) | = | 6.66881029 | ||
| 8 | 50083 | 2616 | - | 2586 | = | 30 | * | (394 | / | 933) | = | 12.66881028 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Helen Stacey Middle | 16 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -2 | 10 | 20 | 19 | 16 | 63.0 | 12.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 39.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -14.4
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 | 52% | 55% | 54% | 54% | 56% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Westminster 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.
Helen Stacey Middle math proficiency
Zero+ meets standard.
42% less $meal
49% less $meal
44% less $meal
46% less $meal
49% 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 Westminster (3)
| Helen Stacey Middle | Johnson Middle | Warner Middle |