Ivey Ranch Elementary (Data source)
Source data for Ivey Ranch 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 | 2334021 | 2432 | - | 2436 | = | -4 | * | (125 | / | 394) | = | -1.26903553 | ||
| 4 | 2334024 | 2522 | - | 2485 | = | 37 | * | (133 | / | 394) | = | 12.48984769 | ||
| 5 | 2334025 | 2537 | - | 2528 | = | 9 | * | (136 | / | 394) | = | 3.10659898 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ivey Ranch Elementary | 14 | ||||||||||||
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 | 71356 | 2459 | - | 2436 | = | 23 | * | (158 | / | 430) | = | 8.45116278 | ||
| 4 | 71358 | 2492 | - | 2485 | = | 7 | * | (140 | / | 430) | = | 2.27906977 | ||
| 5 | 71359 | 2548 | - | 2528 | = | 20 | * | (132 | / | 430) | = | 6.13953488 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ivey Ranch Elementary | 17 | ||||||||||||
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 | 73231 | 2458 | - | 2436 | = | 22 | * | (121 | / | 409) | = | 6.50855744 | ||
| 4 | 73232 | 2516 | - | 2485 | = | 31 | * | (157 | / | 409) | = | 11.89975548 | ||
| 5 | 73235 | 2532 | - | 2528 | = | 4 | * | (131 | / | 409) | = | 1.28117359 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ivey Ranch Elementary | 20 | ||||||||||||
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 | 73368 | 2456 | - | 2436 | = | 20 | * | (123 | / | 393) | = | 6.25954198 | ||
| 4 | 73370 | 2493 | - | 2485 | = | 8 | * | (116 | / | 393) | = | 2.36132315 | ||
| 5 | 73372 | 2553 | - | 2528 | = | 25 | * | (154 | / | 393) | = | 9.79643765 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ivey Ranch Elementary | 18 | ||||||||||||
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 | 73827 | 2457 | - | 2436 | = | 21 | * | (115 | / | 360) | = | 6.70833332 | ||
| 4 | 73828 | 2510 | - | 2485 | = | 25 | * | (130 | / | 360) | = | 9.02777778 | ||
| 5 | 73829 | 2547 | - | 2528 | = | 19 | * | (115 | / | 360) | = | 6.06944444 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ivey Ranch Elementary | 22 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 14 | 17 | 20 | 18 | 22 | 91.0 | 18.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 27.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 9.2
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 | 30% | 32% | 28% | 34% | 34% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oceanside Unified 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.
Ivey Ranch Elementary math proficiency
Zero+ meets standard.
20% less $meal
25% less $meal
20% less $meal
28% less $meal
28% 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.