William Mendenhall Middle (Data source)
Source data for William Mendenhall 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 | 58926 | 2563 | - | 2552 | = | 11 | * | (292 | / | 916) | = | 3.50655021 | ||
| 7 | 58927 | 2573 | - | 2567 | = | 6 | * | (298 | / | 916) | = | 1.95196506 | ||
| 8 | 58930 | 2598 | - | 2586 | = | 12 | * | (326 | / | 916) | = | 4.27074235 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for William Mendenhall Middle | 10 | ||||||||||||
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 | 1563 | 2555 | - | 2552 | = | 3 | * | (306 | / | 917) | = | 1.00109051 | ||
| 7 | 1566 | 2590 | - | 2567 | = | 23 | * | (308 | / | 917) | = | 7.72519083 | ||
| 8 | 1567 | 2594 | - | 2586 | = | 8 | * | (303 | / | 917) | = | 2.64340239 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for William Mendenhall Middle | 11 | ||||||||||||
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 | 1611 | 2562 | - | 2552 | = | 10 | * | (327 | / | 953) | = | 3.43126967 | ||
| 7 | 1613 | 2589 | - | 2567 | = | 22 | * | (317 | / | 953) | = | 7.31794334 | ||
| 8 | 1615 | 2604 | - | 2586 | = | 18 | * | (309 | / | 953) | = | 5.83630639 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for William Mendenhall Middle | 17 | ||||||||||||
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 | 1628 | 2571 | - | 2552 | = | 19 | * | (308 | / | 956) | = | 6.12133891 | ||
| 7 | 1629 | 2592 | - | 2567 | = | 25 | * | (327 | / | 956) | = | 8.55125523 | ||
| 8 | 1632 | 2601 | - | 2586 | = | 15 | * | (321 | / | 956) | = | 5.03661087 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for William Mendenhall Middle | 20 | ||||||||||||
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 | 1653 | 2568 | - | 2552 | = | 16 | * | (301 | / | 942) | = | 5.11252653 | ||
| 7 | 1654 | 2602 | - | 2567 | = | 35 | * | (313 | / | 942) | = | 11.62951167 | ||
| 8 | 1655 | 2612 | - | 2586 | = | 26 | * | (328 | / | 942) | = | 9.05307855 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for William Mendenhall Middle | 26 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 10 | 11 | 17 | 20 | 26 | 84.0 | 16.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 34.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -1.2
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 | 11% | 10% | 10% | 11% | 9% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Livermore Valley Joint Unified school district | County of Alameda
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.
William Mendenhall Middle math proficiency
Zero+ meets standard.
9% less $meal
8% less $meal
7% less $meal
10% less $meal
8% 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 Livermore Valley Joint Unified (3)
| Andrew N. Christensen Middle | East Avenue Middle | William Mendenhall Middle |