Los Alamitos Elementary (Data source)
Source data for Los Alamitos Elementary
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 |
||
| 3 | 2715280 | 2472 | - | 2436 | = | 36 | * | (118 | / | 337) | = | 12.60534121 | ||
| 4 | 2715283 | 2525 | - | 2485 | = | 40 | * | (124 | / | 337) | = | 14.71810088 | ||
| 5 | 2715284 | 2579 | - | 2528 | = | 51 | * | (95 | / | 337) | = | 14.37685456 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Los Alamitos Elementary | 42 | ||||||||||||
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 |
||
| 3 | 82659 | 2481 | - | 2436 | = | 45 | * | (116 | / | 354) | = | 14.74576268 | ||
| 4 | 82660 | 2532 | - | 2485 | = | 47 | * | (114 | / | 354) | = | 15.13559321 | ||
| 5 | 82662 | 2569 | - | 2528 | = | 41 | * | (124 | / | 354) | = | 14.36158189 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Los Alamitos Elementary | 44 | ||||||||||||
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 |
||
| 3 | 84950 | 2475 | - | 2436 | = | 39 | * | (131 | / | 367) | = | 13.92098089 | ||
| 4 | 84953 | 2528 | - | 2485 | = | 43 | * | (122 | / | 367) | = | 14.29427792 | ||
| 5 | 84955 | 2567 | - | 2528 | = | 39 | * | (114 | / | 367) | = | 12.11444138 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Los Alamitos Elementary | 40 | ||||||||||||
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 |
||
| 3 | 85166 | 2485 | - | 2436 | = | 49 | * | (114 | / | 378) | = | 14.77777775 | ||
| 4 | 85169 | 2532 | - | 2485 | = | 47 | * | (143 | / | 378) | = | 17.78042327 | ||
| 5 | 85170 | 2552 | - | 2528 | = | 24 | * | (121 | / | 378) | = | 7.68253968 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Los Alamitos Elementary | 40 | ||||||||||||
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 |
||
| 3 | 85760 | 2504 | - | 2436 | = | 68 | * | (118 | / | 373) | = | 21.51206432 | ||
| 4 | 85761 | 2529 | - | 2485 | = | 44 | * | (120 | / | 373) | = | 14.15549595 | ||
| 5 | 85762 | 2565 | - | 2528 | = | 37 | * | (135 | / | 373) | = | 13.39142088 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Los Alamitos Elementary | 49 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 42 | 44 | 40 | 40 | 49 | 215.0 | 43.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 52.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 34.0
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 | 9% | 11% | 9% | 10% | 9% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Jose Unified school district | County of Santa Clara
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.
Los Alamitos Elementary math proficiency
Zero+ meets standard.
8% less $meal
9% less $meal
8% less $meal
9% less $meal
7% 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.