Glenknoll Elementary (Data source)
Source data for Glenknoll 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 | 1525217 | 2473 | - | 2436 | = | 37 | * | (74 | / | 296) | = | 9.25 | ||
| 4 | 1525218 | 2518 | - | 2485 | = | 33 | * | (65 | / | 296) | = | 7.2466216 | ||
| 5 | 1525221 | 2528 | - | 2528 | = | 0 | * | (87 | / | 296) | = | 0.0 | ||
| 6 | 1525222 | 2573 | - | 2552 | = | 21 | * | (70 | / | 296) | = | 4.96621621 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Glenknoll Elementary | 21 | ||||||||||||
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 | 47762 | 2483 | - | 2436 | = | 47 | * | (74 | / | 295) | = | 11.78983048 | ||
| 4 | 47765 | 2517 | - | 2485 | = | 32 | * | (67 | / | 295) | = | 7.26779661 | ||
| 5 | 47767 | 2541 | - | 2528 | = | 13 | * | (62 | / | 295) | = | 2.73220338 | ||
| 6 | 47769 | 2594 | - | 2552 | = | 42 | * | (92 | / | 295) | = | 13.09830505 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Glenknoll Elementary | 35 | ||||||||||||
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 | 49066 | 2483 | - | 2436 | = | 47 | * | (76 | / | 269) | = | 13.27881041 | ||
| 4 | 49068 | 2511 | - | 2485 | = | 26 | * | (63 | / | 269) | = | 6.08921932 | ||
| 5 | 49071 | 2554 | - | 2528 | = | 26 | * | (63 | / | 269) | = | 6.08921932 | ||
| 6 | 49073 | 2605 | - | 2552 | = | 53 | * | (67 | / | 269) | = | 13.20074344 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Glenknoll Elementary | 39 | ||||||||||||
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 | 49088 | 2484 | - | 2436 | = | 48 | * | (76 | / | 274) | = | 13.31386858 | ||
| 4 | 49091 | 2514 | - | 2485 | = | 29 | * | (66 | / | 274) | = | 6.98540145 | ||
| 5 | 49092 | 2546 | - | 2528 | = | 18 | * | (67 | / | 274) | = | 4.40145985 | ||
| 6 | 49095 | 2590 | - | 2552 | = | 38 | * | (65 | / | 274) | = | 9.01459853 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Glenknoll Elementary | 34 | ||||||||||||
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 | 49288 | 2494 | - | 2436 | = | 58 | * | (65 | / | 276) | = | 13.65942027 | ||
| 4 | 49289 | 2529 | - | 2485 | = | 44 | * | (78 | / | 276) | = | 12.43478258 | ||
| 5 | 49290 | 2543 | - | 2528 | = | 15 | * | (67 | / | 276) | = | 3.64130435 | ||
| 6 | 49291 | 2581 | - | 2552 | = | 29 | * | (66 | / | 276) | = | 6.93478259 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Glenknoll Elementary | 37 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 21 | 35 | 39 | 34 | 37 | 166.0 | 33.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 54.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 12.2
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 | 16% | 16% | 18% | 18% | 18% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Placentia-Yorba Linda 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.
Glenknoll Elementary math proficiency
Zero+ meets standard.
11% less $meal
13% less $meal
15% less $meal
15% less $meal
16% 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.