San Joaquin Elementary (Data source)
Source data for San Joaquin 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 | 1560033 | 2382 | - | 2436 | = | -54 | * | (60 | / | 240) | = | -13.5 | ||
| 4 | 1560034 | 2417 | - | 2485 | = | -68 | * | (55 | / | 240) | = | -15.58333329 | ||
| 5 | 1560037 | 2440 | - | 2528 | = | -88 | * | (63 | / | 240) | = | -23.1 | ||
| 6 | 1560038 | 2485 | - | 2552 | = | -67 | * | (62 | / | 240) | = | -17.30833331 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for San Joaquin Elementary | -69 | ||||||||||||
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 | 48859 | 2425 | - | 2436 | = | -11 | * | (45 | / | 205) | = | -2.41463415 | ||
| 4 | 48861 | 2430 | - | 2485 | = | -55 | * | (54 | / | 205) | = | -14.48780487 | ||
| 5 | 48862 | 2436 | - | 2528 | = | -92 | * | (51 | / | 205) | = | -22.8878048 | ||
| 6 | 48864 | 2473 | - | 2552 | = | -79 | * | (55 | / | 205) | = | -21.19512188 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for San Joaquin Elementary | -61 | ||||||||||||
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 | 50194 | 2388 | - | 2436 | = | -48 | * | (52 | / | 205) | = | -12.17560973 | ||
| 4 | 50197 | 2484 | - | 2485 | = | -1 | * | (49 | / | 205) | = | -0.23902439 | ||
| 5 | 50199 | 2480 | - | 2528 | = | -48 | * | (49 | / | 205) | = | -11.47317072 | ||
| 6 | 50200 | 2469 | - | 2552 | = | -83 | * | (55 | / | 205) | = | -22.26829261 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for San Joaquin Elementary | -46 | ||||||||||||
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 | 50219 | 2414 | - | 2436 | = | -22 | * | (40 | / | 185) | = | -4.75675675 | ||
| 4 | 50220 | 2473 | - | 2485 | = | -12 | * | (51 | / | 185) | = | -3.3081081 | ||
| 5 | 50223 | 2479 | - | 2528 | = | -49 | * | (43 | / | 185) | = | -11.38918917 | ||
| 6 | 50224 | 2492 | - | 2552 | = | -60 | * | (51 | / | 185) | = | -16.5405405 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for San Joaquin Elementary | -36 | ||||||||||||
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 | 50412 | 2406 | - | 2436 | = | -30 | * | (42 | / | 169) | = | -7.4556213 | ||
| 4 | 50413 | 2444 | - | 2485 | = | -41 | * | (38 | / | 169) | = | -9.21893491 | ||
| 5 | 50414 | 2494 | - | 2528 | = | -34 | * | (47 | / | 169) | = | -9.45562127 | ||
| 6 | 50415 | 2501 | - | 2552 | = | -51 | * | (42 | / | 169) | = | -12.67455621 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for San Joaquin Elementary | -39 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -69 | -61 | -46 | -36 | -39 | -251.0 | -50.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -8.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -92.2
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 | 64% | 69% | 62% | 66% | 66% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Saddleback Valley Unified 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.
San Joaquin Elementary math proficiency
Zero+ meets standard.
51% less $meal
62% less $meal
51% less $meal
59% less $meal
60% 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.