La Mesa Dale Elementary (Data source)
Source data for La Mesa Dale 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 | 2183154 | 2392 | - | 2436 | = | -44 | * | (82 | / | 252) | = | -14.3174603 | ||
| 4 | 2183157 | 2481 | - | 2485 | = | -4 | * | (56 | / | 252) | = | -0.88888889 | ||
| 5 | 2183158 | 2479 | - | 2528 | = | -49 | * | (58 | / | 252) | = | -11.27777777 | ||
| 6 | 2183161 | 2524 | - | 2552 | = | -28 | * | (56 | / | 252) | = | -6.22222222 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for La Mesa Dale Elementary | -33 | ||||||||||||
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 | 67061 | 2391 | - | 2436 | = | -45 | * | (54 | / | 230) | = | -10.56521736 | ||
| 4 | 67064 | 2481 | - | 2485 | = | -4 | * | (63 | / | 230) | = | -1.09565217 | ||
| 5 | 67065 | 2472 | - | 2528 | = | -56 | * | (55 | / | 230) | = | -13.3913043 | ||
| 6 | 67068 | 2522 | - | 2552 | = | -30 | * | (58 | / | 230) | = | -7.56521739 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for La Mesa Dale Elementary | -33 | ||||||||||||
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 | 68883 | 2418 | - | 2436 | = | -18 | * | (59 | / | 220) | = | -4.82727272 | ||
| 4 | 68885 | 2475 | - | 2485 | = | -10 | * | (46 | / | 220) | = | -2.09090909 | ||
| 5 | 68887 | 2479 | - | 2528 | = | -49 | * | (62 | / | 220) | = | -13.80909087 | ||
| 6 | 68888 | 2520 | - | 2552 | = | -32 | * | (53 | / | 220) | = | -7.70909088 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for La Mesa Dale Elementary | -28 | ||||||||||||
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 | 69053 | 2419 | - | 2436 | = | -17 | * | (63 | / | 217) | = | -4.93548386 | ||
| 4 | 69056 | 2478 | - | 2485 | = | -7 | * | (55 | / | 217) | = | -1.77419355 | ||
| 5 | 69057 | 2465 | - | 2528 | = | -63 | * | (41 | / | 217) | = | -11.9032258 | ||
| 6 | 69060 | 2522 | - | 2552 | = | -30 | * | (58 | / | 217) | = | -8.01843315 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for La Mesa Dale Elementary | -27 | ||||||||||||
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 | 69592 | 2444 | - | 2436 | = | 8 | * | (54 | / | 213) | = | 2.02816901 | ||
| 4 | 69593 | 2459 | - | 2485 | = | -26 | * | (60 | / | 213) | = | -7.32394364 | ||
| 5 | 69594 | 2498 | - | 2528 | = | -30 | * | (53 | / | 213) | = | -7.46478873 | ||
| 6 | 69595 | 2507 | - | 2552 | = | -45 | * | (46 | / | 213) | = | -9.71830985 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for La Mesa Dale Elementary | -22 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -33 | -33 | -28 | -27 | -22 | -143.0 | -28.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -16.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -40.6
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 | 74% | 78% | 73% | 75% | 67% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
La Mesa-Spring Valley 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.
La Mesa Dale Elementary math proficiency
Zero+ meets standard.
54% less $meal
60% less $meal
56% less $meal
56% less $meal
53% 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.