Herndon-Barstow Elementary (Data source)
Source data for Herndon-Barstow 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 | 376575 | 2441 | - | 2436 | = | 5 | * | (76 | / | 290) | = | 1.31034483 | ||
| 4 | 376578 | 2471 | - | 2485 | = | -14 | * | (83 | / | 290) | = | -4.00689654 | ||
| 5 | 376579 | 2466 | - | 2528 | = | -62 | * | (79 | / | 290) | = | -16.88965517 | ||
| 6 | 376582 | 2473 | - | 2552 | = | -79 | * | (52 | / | 290) | = | -14.16551718 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Herndon-Barstow Elementary | -34 | ||||||||||||
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 | 11430 | 2426 | - | 2436 | = | -10 | * | (96 | / | 334) | = | -2.87425149 | ||
| 4 | 11432 | 2485 | - | 2485 | = | 0 | * | (76 | / | 334) | = | 0.0 | ||
| 5 | 11433 | 2496 | - | 2528 | = | -32 | * | (81 | / | 334) | = | -7.76047904 | ||
| 6 | 11436 | 2519 | - | 2552 | = | -33 | * | (81 | / | 334) | = | -8.00299401 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Herndon-Barstow Elementary | -19 | ||||||||||||
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 | 11762 | 2448 | - | 2436 | = | 12 | * | (84 | / | 348) | = | 2.89655172 | ||
| 4 | 11763 | 2482 | - | 2485 | = | -3 | * | (101 | / | 348) | = | -0.87068966 | ||
| 5 | 11766 | 2501 | - | 2528 | = | -27 | * | (80 | / | 348) | = | -6.20689654 | ||
| 6 | 11768 | 2530 | - | 2552 | = | -22 | * | (83 | / | 348) | = | -5.24712643 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Herndon-Barstow Elementary | -9 | ||||||||||||
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 | 11797 | 2457 | - | 2436 | = | 21 | * | (81 | / | 367) | = | 4.63487737 | ||
| 4 | 11799 | 2495 | - | 2485 | = | 10 | * | (95 | / | 367) | = | 2.58855585 | ||
| 5 | 11802 | 2508 | - | 2528 | = | -20 | * | (98 | / | 367) | = | -5.34059944 | ||
| 6 | 11803 | 2535 | - | 2552 | = | -17 | * | (93 | / | 367) | = | -4.3079019 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Herndon-Barstow Elementary | -2 | ||||||||||||
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 | 11890 | 2461 | - | 2436 | = | 25 | * | (80 | / | 342) | = | 5.8479532 | ||
| 4 | 11891 | 2501 | - | 2485 | = | 16 | * | (78 | / | 342) | = | 3.6491228 | ||
| 5 | 11892 | 2509 | - | 2528 | = | -19 | * | (90 | / | 342) | = | -4.99999999 | ||
| 6 | 11893 | 2536 | - | 2552 | = | -16 | * | (94 | / | 342) | = | -4.39766082 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Herndon-Barstow Elementary | 0 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -34 | -19 | -9 | -2 | 0 | -64.0 | -12.8 |
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: -55.0
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 | 49% | 57% | 49% | 51% | 53% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Central Unified school district | County of Fresno
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.
Herndon-Barstow Elementary math proficiency
Zero+ meets standard.
38% less $meal
41% less $meal
38% less $meal
46% 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.