Lincoln Acres (Data source)
Source data for Lincoln Acres
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 | 2200513 | 2390 | - | 2436 | = | -46 | * | (94 | / | 346) | = | -12.4971098 | ||
| 4 | 2200514 | 2407 | - | 2485 | = | -78 | * | (82 | / | 346) | = | -18.48554908 | ||
| 5 | 2200517 | 2462 | - | 2528 | = | -66 | * | (88 | / | 346) | = | -16.78612716 | ||
| 6 | 2200518 | 2489 | - | 2552 | = | -63 | * | (82 | / | 346) | = | -14.9306358 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lincoln Acres | -63 | ||||||||||||
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 | 67586 | 2424 | - | 2436 | = | -12 | * | (76 | / | 346) | = | -2.63583815 | ||
| 4 | 67587 | 2425 | - | 2485 | = | -60 | * | (91 | / | 346) | = | -15.7803468 | ||
| 5 | 67590 | 2446 | - | 2528 | = | -82 | * | (80 | / | 346) | = | -18.9595375 | ||
| 6 | 67592 | 2506 | - | 2552 | = | -46 | * | (99 | / | 346) | = | -13.16184968 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lincoln Acres | -51 | ||||||||||||
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 | 69372 | 2404 | - | 2436 | = | -32 | * | (76 | / | 322) | = | -7.55279501 | ||
| 4 | 69375 | 2442 | - | 2485 | = | -43 | * | (81 | / | 322) | = | -10.81677019 | ||
| 5 | 69376 | 2446 | - | 2528 | = | -82 | * | (83 | / | 322) | = | -21.13664595 | ||
| 6 | 69379 | 2489 | - | 2552 | = | -63 | * | (82 | / | 322) | = | -16.04347826 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lincoln Acres | -56 | ||||||||||||
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 | 69536 | 2438 | - | 2436 | = | 2 | * | (67 | / | 307) | = | 0.43648208 | ||
| 4 | 69537 | 2423 | - | 2485 | = | -62 | * | (74 | / | 307) | = | -14.94462539 | ||
| 5 | 69540 | 2432 | - | 2528 | = | -96 | * | (82 | / | 307) | = | -25.64169379 | ||
| 6 | 69541 | 2479 | - | 2552 | = | -73 | * | (84 | / | 307) | = | -19.97394136 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lincoln Acres | -60 | ||||||||||||
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 | 70058 | 2423 | - | 2436 | = | -13 | * | (78 | / | 313) | = | -3.2396166 | ||
| 4 | 70059 | 2434 | - | 2485 | = | -51 | * | (70 | / | 313) | = | -11.40575077 | ||
| 5 | 70060 | 2440 | - | 2528 | = | -88 | * | (82 | / | 313) | = | -23.05431304 | ||
| 6 | 70061 | 2502 | - | 2552 | = | -50 | * | (83 | / | 313) | = | -13.2587859 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lincoln Acres | -51 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -63 | -51 | -56 | -60 | -51 | -281.0 | -56.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -41.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -71.2
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 | 77% | 74% | 82% | 81% | 76% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
National Elementary school district | County of San Diego
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.
Lincoln Acres math proficiency
Zero+ meets standard.
68% less $meal
65% less $meal
68% less $meal
72% less $meal
68% 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.
Elementary School (Public) schools in National Elementary (10)
| Central Elementary | El Toyon Elementary | Ira Harbison |
| John A. Otis Elementary | Kimball | Las Palmas |
| Lincoln Acres | Olivewood | Palmer Way |
| Rancho de la Nacion |