Pacific Beach Middle (Data source)
Source data for Pacific Beach Middle
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 |
||
| 6 | 2267755 | 2564 | - | 2552 | = | 12 | * | (173 | / | 566) | = | 3.66784452 | ||
| 7 | 2267758 | 2557 | - | 2567 | = | -10 | * | (207 | / | 566) | = | -3.65724381 | ||
| 8 | 2267759 | 2568 | - | 2586 | = | -18 | * | (186 | / | 566) | = | -5.91519434 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Pacific Beach Middle | -6 | ||||||||||||
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 |
||
| 6 | 69563 | 2589 | - | 2552 | = | 37 | * | (236 | / | 645) | = | 13.53798446 | ||
| 7 | 69566 | 2551 | - | 2567 | = | -16 | * | (214 | / | 645) | = | -5.30852712 | ||
| 8 | 69568 | 2572 | - | 2586 | = | -14 | * | (195 | / | 645) | = | -4.23255813 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Pacific Beach Middle | 4 | ||||||||||||
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 |
||
| 6 | 71397 | 2576 | - | 2552 | = | 24 | * | (264 | / | 722) | = | 8.77562326 | ||
| 7 | 71399 | 2583 | - | 2567 | = | 16 | * | (235 | / | 722) | = | 5.20775622 | ||
| 8 | 71400 | 2555 | - | 2586 | = | -31 | * | (223 | / | 722) | = | -9.57479222 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Pacific Beach Middle | 4 | ||||||||||||
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 |
||
| 6 | 71541 | 2588 | - | 2552 | = | 36 | * | (236 | / | 702) | = | 12.1025641 | ||
| 7 | 71543 | 2567 | - | 2567 | = | 0 | * | (251 | / | 702) | = | 0.0 | ||
| 8 | 71545 | 2586 | - | 2586 | = | 0 | * | (215 | / | 702) | = | 0.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Pacific Beach Middle | 12 | ||||||||||||
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 |
||
| 6 | 72027 | 2572 | - | 2552 | = | 20 | * | (225 | / | 692) | = | 6.50289016 | ||
| 7 | 72028 | 2569 | - | 2567 | = | 2 | * | (227 | / | 692) | = | 0.65606936 | ||
| 8 | 72029 | 2555 | - | 2586 | = | -31 | * | (240 | / | 692) | = | -10.75144508 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Pacific Beach Middle | -4 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -6 | 4 | 4 | 12 | -4 | 10.0 | 2.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 23.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -19.0
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 | 54% | 49% | 46% | 41% | 43% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Diego 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.
Pacific Beach Middle math proficiency
Zero+ meets standard.
43% less $meal
39% less $meal
38% less $meal
35% less $meal
34% 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.